170
188
static plugin::TableFunction* innodb_trx_tool= NULL;
171
189
static plugin::TableFunction* innodb_locks_tool= NULL;
172
190
static plugin::TableFunction* innodb_lock_waits_tool= NULL;
173
static plugin::TableFunction* innodb_sys_tables_tool= NULL;
174
static plugin::TableFunction* innodb_sys_tablestats_tool= NULL;
176
static plugin::TableFunction* innodb_sys_indexes_tool= NULL;
177
static plugin::TableFunction* innodb_sys_columns_tool= NULL;
178
static plugin::TableFunction* innodb_sys_fields_tool= NULL;
179
static plugin::TableFunction* innodb_sys_foreign_tool= NULL;
180
static plugin::TableFunction* innodb_sys_foreign_cols_tool= NULL;
182
static ReplicationLog *replication_logger= NULL;
183
typedef constrained_check<uint32_t, UINT32_MAX, 10> open_files_constraint;
184
static open_files_constraint innobase_open_files;
185
typedef constrained_check<uint32_t, 10, 1> mirrored_log_groups_constraint;
186
static mirrored_log_groups_constraint innobase_mirrored_log_groups;
187
typedef constrained_check<uint32_t, 100, 2> log_files_in_group_constraint;
188
static log_files_in_group_constraint innobase_log_files_in_group;
189
typedef constrained_check<uint32_t, 6, 0> force_recovery_constraint;
190
force_recovery_constraint innobase_force_recovery;
191
typedef constrained_check<size_t, SIZE_MAX, 256*1024, 1024> log_buffer_constraint;
192
static log_buffer_constraint innobase_log_buffer_size;
193
typedef constrained_check<size_t, SIZE_MAX, 512*1024, 1024> additional_mem_pool_constraint;
194
static additional_mem_pool_constraint innobase_additional_mem_pool_size;
195
typedef constrained_check<unsigned int, 1000, 1> autoextend_constraint;
196
static autoextend_constraint innodb_auto_extend_increment;
197
typedef constrained_check<size_t, SIZE_MAX, 5242880, 1048576> buffer_pool_constraint;
198
static buffer_pool_constraint innobase_buffer_pool_size;
199
typedef constrained_check<uint32_t, MAX_BUFFER_POOLS, 1> buffer_pool_instances_constraint;
200
static buffer_pool_instances_constraint innobase_buffer_pool_instances;
201
typedef constrained_check<uint32_t, UINT32_MAX, 100> io_capacity_constraint;
202
static io_capacity_constraint innodb_io_capacity;
203
typedef constrained_check<uint32_t, 5000, 1> purge_batch_constraint;
204
static purge_batch_constraint innodb_purge_batch_size;
205
typedef constrained_check<uint32_t, 1, 0> purge_threads_constraint;
206
static purge_threads_constraint innodb_n_purge_threads;
207
typedef constrained_check<uint16_t, 2, 0> trinary_constraint;
208
static trinary_constraint innodb_flush_log_at_trx_commit;
209
typedef constrained_check<unsigned int, 99, 0> max_dirty_pages_constraint;
210
static max_dirty_pages_constraint innodb_max_dirty_pages_pct;
211
static uint64_constraint innodb_max_purge_lag;
212
static uint64_nonzero_constraint innodb_stats_sample_pages;
213
typedef constrained_check<uint32_t, 64, 1> io_threads_constraint;
214
static io_threads_constraint innobase_read_io_threads;
215
static io_threads_constraint innobase_write_io_threads;
217
typedef constrained_check<uint32_t, 1000, 0> concurrency_constraint;
218
static concurrency_constraint innobase_commit_concurrency;
219
static concurrency_constraint innobase_thread_concurrency;
220
static uint32_nonzero_constraint innodb_concurrency_tickets;
222
typedef constrained_check<int64_t, INT64_MAX, 1024*1024, 1024*1024> log_file_constraint;
223
static log_file_constraint innobase_log_file_size;
225
static uint64_constraint innodb_replication_delay;
192
static long innobase_mirrored_log_groups, innobase_log_files_in_group,
193
innobase_log_buffer_size,
194
innobase_force_recovery, innobase_open_files;
195
static long innobase_additional_mem_pool_size= 8*1024*1024L;
196
static ulong innobase_commit_concurrency = 0;
197
static ulong innobase_read_io_threads;
198
static ulong innobase_write_io_threads;
201
* @TODO: Turn this into size_t as soon as we have a Variable<size_t>
203
static int64_t innobase_buffer_pool_size= 128*1024*1024;
204
static int64_t innobase_log_file_size;
227
206
/** Percentage of the buffer pool to reserve for 'old' blocks.
228
207
Connected to buf_LRU_old_ratio. */
229
typedef constrained_check<uint32_t, 95, 5> old_blocks_constraint;
230
static old_blocks_constraint innobase_old_blocks_pct;
232
static uint32_constraint innodb_sync_spin_loops;
233
static uint32_constraint innodb_spin_wait_delay;
234
static uint32_constraint innodb_thread_sleep_delay;
236
typedef constrained_check<uint32_t, 64, 0> read_ahead_threshold_constraint;
237
static read_ahead_threshold_constraint innodb_read_ahead_threshold;
208
static uint innobase_old_blocks_pct;
239
210
/* The default values for the following char* start-up parameters
240
211
are determined in innobase_init below: */
242
std::string innobase_data_home_dir;
243
std::string innobase_data_file_path;
244
std::string innobase_log_group_home_dir;
245
static string innobase_file_format_name;
246
static string innobase_change_buffering;
248
/* The highest file format being used in the database. The value can be
249
set by user, however, it will be adjusted to the newer file format if
250
a table of such format is created/opened. */
251
static string innobase_file_format_max;
213
static char* innobase_data_home_dir = NULL;
214
static char* innobase_data_file_path = NULL;
215
static char* innobase_log_group_home_dir = NULL;
216
static char* innobase_file_format_name = NULL;
217
static char* innobase_change_buffering = NULL;
219
/* Note: This variable can be set to on/off and any of the supported
220
file formats in the configuration file, but can only be set to any
221
of the supported file formats during runtime. */
222
static char* innobase_file_format_check = NULL;
224
static char* innobase_file_flush_method = NULL;
253
226
/* Below we have boolean-valued start-up parameters, and their default
256
typedef constrained_check<uint16_t, 2, 0> trinary_constraint;
257
static trinary_constraint innobase_fast_shutdown;
259
/* "innobase_file_format_check" decides whether we would continue
260
booting the server if the file format stamped on the system
261
table space exceeds the maximum file format supported
262
by the server. Can be set during server startup at command
263
line or configure file, and a read only variable after
266
/* If a new file format is introduced, the file format
267
name needs to be updated accordingly. Please refer to
268
file_format_name_map[] defined in trx0sys.c for the next
271
static my_bool innobase_file_format_check = TRUE;
229
static ulong innobase_fast_shutdown = 1;
230
#ifdef UNIV_LOG_ARCHIVE
231
static my_bool innobase_log_archive = FALSE;
232
static char* innobase_log_arch_dir = NULL;
233
#endif /* UNIV_LOG_ARCHIVE */
272
234
static my_bool innobase_use_doublewrite = TRUE;
273
235
static my_bool innobase_use_checksums = TRUE;
274
236
static my_bool innobase_rollback_on_timeout = FALSE;
275
237
static my_bool innobase_create_status_file = FALSE;
276
static bool innobase_use_replication_log;
277
static bool support_xa;
278
static bool strict_mode;
279
typedef constrained_check<uint32_t, 1024*1024*1024, 1> lock_wait_constraint;
280
static lock_wait_constraint lock_wait_timeout;
282
239
static char* internal_innobase_data_file_path = NULL;
241
static char* innodb_version_str = (char*) INNODB_VERSION_STR;
284
243
/* The following counter is used to convey information to InnoDB
285
244
about server activity: in selects it is not sensible to call
286
245
srv_active_wake_master_thread after each fetch or search, we only do
1839
1825
value= value - (value % align_val);
1842
static void auto_extend_update(Session *, sql_var_t)
1844
srv_auto_extend_increment= innodb_auto_extend_increment.get();
1847
static void io_capacity_update(Session *, sql_var_t)
1849
srv_io_capacity= innodb_io_capacity.get();
1852
static void purge_batch_update(Session *, sql_var_t)
1854
srv_purge_batch_size= innodb_purge_batch_size.get();
1857
static void purge_threads_update(Session *, sql_var_t)
1859
srv_n_purge_threads= innodb_n_purge_threads.get();
1862
static void innodb_adaptive_hash_index_update(Session *, sql_var_t)
1864
if (btr_search_enabled)
1866
btr_search_enable();
1868
btr_search_disable();
1872
static void innodb_old_blocks_pct_update(Session *, sql_var_t)
1874
innobase_old_blocks_pct= buf_LRU_old_ratio_update(innobase_old_blocks_pct.get(), TRUE);
1877
static void innodb_thread_concurrency_update(Session *, sql_var_t)
1879
srv_thread_concurrency= innobase_thread_concurrency.get();
1882
static void innodb_sync_spin_loops_update(Session *, sql_var_t)
1884
srv_n_spin_wait_rounds= innodb_sync_spin_loops.get();
1887
static void innodb_spin_wait_delay_update(Session *, sql_var_t)
1889
srv_spin_wait_delay= innodb_spin_wait_delay.get();
1892
static void innodb_thread_sleep_delay_update(Session *, sql_var_t)
1894
srv_thread_sleep_delay= innodb_thread_sleep_delay.get();
1897
static void innodb_read_ahead_threshold_update(Session *, sql_var_t)
1899
srv_read_ahead_threshold= innodb_read_ahead_threshold.get();
1903
static int innodb_commit_concurrency_validate(Session *session, set_var *var)
1905
uint32_t new_value= var->save_result.uint32_t_value;
1907
if ((innobase_commit_concurrency.get() == 0 && new_value != 0) ||
1908
(innobase_commit_concurrency.get() != 0 && new_value == 0))
1910
push_warning_printf(session,
1911
DRIZZLE_ERROR::WARN_LEVEL_WARN,
1913
_("Once InnoDB is running, innodb_commit_concurrency "
1914
"must not change between zero and nonzero."));
1920
/*************************************************************//**
1921
Check if it is a valid file format. This function is registered as
1922
a callback with MySQL.
1923
@return 0 for valid file format */
1926
innodb_file_format_name_validate(
1927
/*=============================*/
1928
Session* , /*!< in: thread handle */
1931
const char *file_format_input = var->value->str_value.ptr();
1932
if (file_format_input == NULL)
1935
if (file_format_input != NULL) {
1938
format_id = innobase_file_format_name_lookup(
1941
if (format_id <= DICT_TF_FORMAT_MAX) {
1942
innobase_file_format_name =
1943
trx_sys_file_format_id_to_name(format_id);
1952
/*************************************************************//**
1953
Check if it is a valid value of innodb_change_buffering. This function is
1954
registered as a callback with MySQL.
1955
@return 0 for valid innodb_change_buffering */
1958
innodb_change_buffering_validate(
1959
/*=============================*/
1960
Session* , /*!< in: thread handle */
1963
const char *change_buffering_input = var->value->str_value.ptr();
1965
if (change_buffering_input == NULL)
1971
use < UT_ARR_SIZE(innobase_change_buffering_values);
1973
if (!innobase_strcasecmp(change_buffering_input,
1974
innobase_change_buffering_values[use]))
1976
ibuf_use= static_cast<ibuf_use_t>(use);
1985
/*************************************************************//**
1986
Check if valid argument to innodb_file_format_max. This function
1987
is registered as a callback with MySQL.
1988
@return 0 for valid file format */
1991
innodb_file_format_max_validate(
1992
/*==============================*/
1993
Session* session, /*!< in: thread handle */
1996
const char *file_format_input = var->value->str_value.ptr();
1997
if (file_format_input == NULL)
2000
if (file_format_input != NULL) {
2001
int format_id = innobase_file_format_validate_and_set(file_format_input);
2003
if (format_id > DICT_TF_FORMAT_MAX) {
2004
/* DEFAULT is "on", which is invalid at runtime. */
2008
if (format_id >= 0) {
2009
innobase_file_format_max=
2010
trx_sys_file_format_id_to_name((uint)format_id);
2012
/* Update the max format id in the system tablespace. */
2013
char name_buff[100];
2014
strcpy(name_buff, innobase_file_format_max.c_str());
2015
if (trx_sys_file_format_max_set(format_id, (const char **)&name_buff))
2017
errmsg_printf(ERRMSG_LVL_WARN,
2018
" [Info] InnoDB: the file format in the system "
2019
"tablespace is now set to %s.\n", name_buff);
2020
innobase_file_format_max= name_buff;
2025
push_warning_printf(session,
2026
DRIZZLE_ERROR::WARN_LEVEL_WARN,
2028
"InnoDB: invalid innodb_file_format_max "
2029
"value; can be any format up to %s "
2030
"or equivalent id of %d",
2031
trx_sys_file_format_id_to_name(DICT_TF_FORMAT_MAX),
2032
DICT_TF_FORMAT_MAX);
2040
1828
/*********************************************************************//**
2041
1829
Opens an InnoDB database.
2042
1830
@return 0 on success, error code on failure */
2052
1840
InnobaseEngine *actuall_engine_ptr;
2053
1841
const module::option_map &vm= context.getOptions();
2055
srv_auto_extend_increment= innodb_auto_extend_increment.get();
2056
srv_io_capacity= innodb_io_capacity.get();
2057
srv_purge_batch_size= innodb_purge_batch_size.get();
2058
srv_n_purge_threads= innodb_n_purge_threads.get();
2059
srv_flush_log_at_trx_commit= innodb_flush_log_at_trx_commit.get();
2060
srv_max_buf_pool_modified_pct= innodb_max_dirty_pages_pct.get();
2061
srv_max_purge_lag= innodb_max_purge_lag.get();
2062
srv_stats_sample_pages= innodb_stats_sample_pages.get();
2063
srv_n_free_tickets_to_enter= innodb_concurrency_tickets.get();
2064
srv_replication_delay= innodb_replication_delay.get();
2065
srv_thread_concurrency= innobase_thread_concurrency.get();
2066
srv_n_spin_wait_rounds= innodb_sync_spin_loops.get();
2067
srv_spin_wait_delay= innodb_spin_wait_delay.get();
2068
srv_thread_sleep_delay= innodb_thread_sleep_delay.get();
2069
srv_read_ahead_threshold= innodb_read_ahead_threshold.get();
2071
1843
/* Inverted Booleans */
2073
1845
innobase_use_checksums= (vm.count("disable-checksums")) ? false : true;
2074
1846
innobase_use_doublewrite= (vm.count("disable-doublewrite")) ? false : true;
2075
1847
srv_adaptive_flushing= (vm.count("disable-adaptive-flushing")) ? false : true;
2076
1848
srv_use_sys_malloc= (vm.count("use-internal-malloc")) ? false : true;
2077
support_xa= (vm.count("disable-xa")) ? false : true;
2078
btr_search_enabled= (vm.count("disable-adaptive-hash-index")) ? false : true;
2081
/* Hafta do this here because we need to late-bind the default value */
1849
(SessionVAR(NULL,support_xa))= (vm.count("disable-xa")) ? false : true;
1850
(SessionVAR(NULL,table_locks))= (vm.count("disable-table-locks")) ? false : true;
1852
if (vm.count("io-capacity"))
1854
if (srv_io_capacity < 100)
1856
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for io-capacity\n"));
2082
1861
if (vm.count("data-home-dir"))
2084
innobase_data_home_dir= vm["data-home-dir"].as<string>();
2088
innobase_data_home_dir= getDataHome().file_string();
1863
innobase_data_home_dir= strdup(vm["data-home-dir"].as<string>().c_str());
1867
innobase_data_home_dir= strdup(getDataHome().file_string().c_str());
1870
if (vm.count("fast-shutdown"))
1872
if (innobase_fast_shutdown > 2)
1874
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for fast-shutdown\n"));
1879
if (vm.count("file-format-check"))
1881
innobase_file_format_check= const_cast<char *>(vm["file-format-check"].as<string>().c_str());
1884
if (vm.count("flush-log-at-trx-commit"))
1886
if (srv_flush_log_at_trx_commit > 2)
1888
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for flush-log-at-trx-commit\n"));
1893
if (vm.count("flush-method"))
1895
innobase_file_flush_method= const_cast<char *>(vm["flush-method"].as<string>().c_str());
1899
innobase_file_flush_method= NULL;
1902
#ifdef UNIV_LOG_ARCHIVE
1903
if (vm.count("log-arch-dir"))
1905
innobase_log_arch_dir= const_cast<char *>(vm["log-arch-dir"].as<string>().c_str());
1910
innobase_log_arch_dir= NULL;
1912
#endif /* UNIV_LOG_ARCHIVE */
1914
if (vm.count("max-dirty-pages-pct"))
1916
if (srv_max_buf_pool_modified_pct > 99)
1918
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for max-dirty-pages-pct\n"));
1923
if (vm.count("stats-sample-pages"))
1925
if (srv_stats_sample_pages < 8)
1927
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for stats-sample-pages\n"));
1932
if (vm.count("additional-mem-pool-size"))
1934
align_value(innobase_additional_mem_pool_size);
1936
if (innobase_additional_mem_pool_size < 512*1024L)
1938
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for additional-mem-pool-size\n"));
1944
if (vm.count("autoextend-increment"))
1946
if (srv_auto_extend_increment < 1 || srv_auto_extend_increment > 1000)
1948
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for autoextend-increment\n"));
1953
if (vm.count("buffer-pool-size"))
1955
align_value(innobase_buffer_pool_size, 1024*1024);
1956
if (innobase_buffer_pool_size < 5*1024*1024)
1958
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for buffer-pool-size\n"));
1964
if (vm.count("commit-concurrency"))
1966
if (srv_replication_delay > 1000)
1968
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for commit-concurrency\n"));
1973
if (vm.count("concurrency-tickets"))
1975
if (srv_n_free_tickets_to_enter < 1)
1977
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for concurrency-tickets\n"));
1982
if (vm.count("read-io-threads"))
1984
if (innobase_read_io_threads < 1 || innobase_read_io_threads > 64)
1986
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for read-io-threads\n"));
1991
if (vm.count("write-io-threads"))
1993
if (innobase_write_io_threads < 1 || innobase_write_io_threads > 64)
1995
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for write-io-threads\n"));
2000
if (vm.count("force-recovery"))
2002
if (innobase_force_recovery > 6)
2004
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for force-recovery\n"));
2009
if (vm.count("log-buffer-size"))
2011
align_value(innobase_log_buffer_size);
2012
if (innobase_log_buffer_size < 256*1024L)
2014
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for log-file-size\n"));
2019
if (vm.count("log-file-size"))
2021
align_value(innobase_log_file_size, 1024*1024);
2022
if (innobase_log_file_size < 1*1024*1024L)
2024
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for log-file-size\n"));
2029
if (vm.count("log-files-in-group"))
2031
if (innobase_log_files_in_group < 2 || innobase_log_files_in_group > 100)
2033
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for log-files-in-group\n"));
2038
if (vm.count("mirrored-log-groups"))
2040
if (innobase_mirrored_log_groups < 1 || innobase_mirrored_log_groups > 10)
2042
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for mirrored-log-groups\n"));
2047
if (vm.count("open-files"))
2049
if (innobase_open_files < 10)
2051
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for open-files\n"));
2056
if (vm.count("thread-concurrency"))
2058
if (srv_thread_concurrency > 1000)
2060
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for thread-concurrency\n"));
2092
2065
if (vm.count("data-file-path"))
2094
innobase_data_file_path= vm["data-file-path"].as<string>();
2067
innobase_data_file_path= const_cast<char *>(vm["data-file-path"].as<string>().c_str());
2071
innobase_data_file_path= NULL;
2074
if (vm.count("version"))
2076
innodb_version_str= const_cast<char *>(vm["version"].as<string>().c_str());
2079
if (vm.count("read-ahead-threshold"))
2081
if (srv_read_ahead_threshold > 64)
2083
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for read-ahead-threshold\n"));
2088
if (vm.count("strict-mode"))
2090
(SessionVAR(NULL,strict_mode))= vm["strict-mode"].as<bool>();
2093
if (vm.count("lock-wait-timeout"))
2095
if (vm["lock-wait-timeout"].as<unsigned long>() < 1 || vm["lock-wait-timeout"].as<unsigned long>() > 1024*1024*1024)
2097
errmsg_printf(ERRMSG_LVL_ERROR, _("Invalid value for lock-wait-timeout\n"));
2101
(SessionVAR(NULL,lock_wait_timeout))= vm["lock-wait-timeout"].as<unsigned long>();
2098
2104
innodb_engine_ptr= actuall_engine_ptr= new InnobaseEngine(innobase_engine_name);
2356
2390
innodb_lock_waits_tool= new(std::nothrow)InnodbTrxTool("INNODB_LOCK_WAITS");
2357
2391
context.add(innodb_lock_waits_tool);
2359
innodb_sys_tables_tool= new(std::nothrow)InnodbSysTablesTool();
2360
context.add(innodb_sys_tables_tool);
2362
innodb_sys_tablestats_tool= new(std::nothrow)InnodbSysTableStatsTool();
2363
context.add(innodb_sys_tablestats_tool);
2365
innodb_sys_indexes_tool= new(std::nothrow)InnodbSysIndexesTool();
2366
context.add(innodb_sys_indexes_tool);
2368
innodb_sys_columns_tool= new(std::nothrow)InnodbSysColumnsTool();
2369
context.add(innodb_sys_columns_tool);
2371
innodb_sys_fields_tool= new(std::nothrow)InnodbSysFieldsTool();
2372
context.add(innodb_sys_fields_tool);
2374
innodb_sys_foreign_tool= new(std::nothrow)InnodbSysForeignTool();
2375
context.add(innodb_sys_foreign_tool);
2377
innodb_sys_foreign_cols_tool= new(std::nothrow)InnodbSysForeignColsTool();
2378
context.add(innodb_sys_foreign_cols_tool);
2380
2393
context.add(new(std::nothrow)InnodbInternalTables());
2381
context.add(new(std::nothrow)InnodbReplicationTable());
2383
if (innobase_use_replication_log)
2385
replication_logger= new(std::nothrow)ReplicationLog();
2386
context.add(replication_logger);
2387
ReplicationLog::setup(replication_logger);
2390
context.registerVariable(new sys_var_const_string_val("data-home-dir", innobase_data_home_dir));
2391
context.registerVariable(new sys_var_const_string_val("flush-method",
2392
vm.count("flush-method") ? vm["flush-method"].as<string>() : ""));
2393
context.registerVariable(new sys_var_const_string_val("log-group-home-dir", innobase_log_group_home_dir));
2394
context.registerVariable(new sys_var_const_string_val("data-file-path", innobase_data_file_path));
2395
context.registerVariable(new sys_var_const_string_val("version", vm["version"].as<string>()));
2398
context.registerVariable(new sys_var_bool_ptr_readonly("replication_log", &innobase_use_replication_log));
2399
context.registerVariable(new sys_var_bool_ptr_readonly("checksums", &innobase_use_checksums));
2400
context.registerVariable(new sys_var_bool_ptr_readonly("doublewrite", &innobase_use_doublewrite));
2401
context.registerVariable(new sys_var_bool_ptr("file-per-table", &srv_file_per_table));
2402
context.registerVariable(new sys_var_bool_ptr_readonly("file-format-check", &innobase_file_format_check));
2403
context.registerVariable(new sys_var_bool_ptr("adaptive-flushing", &srv_adaptive_flushing));
2404
context.registerVariable(new sys_var_bool_ptr("status-file", &innobase_create_status_file));
2405
context.registerVariable(new sys_var_bool_ptr_readonly("use-sys-malloc", &srv_use_sys_malloc));
2406
context.registerVariable(new sys_var_bool_ptr_readonly("use-native-aio", &srv_use_native_aio));
2408
context.registerVariable(new sys_var_bool_ptr("support-xa", &support_xa));
2409
context.registerVariable(new sys_var_bool_ptr("strict_mode", &strict_mode));
2410
context.registerVariable(new sys_var_constrained_value<uint32_t>("lock_wait_timeout", lock_wait_timeout));
2412
context.registerVariable(new sys_var_constrained_value_readonly<size_t>("additional_mem_pool_size",innobase_additional_mem_pool_size));
2413
context.registerVariable(new sys_var_constrained_value<uint32_t>("autoextend_increment",
2414
innodb_auto_extend_increment,
2415
auto_extend_update));
2416
context.registerVariable(new sys_var_constrained_value<uint32_t>("io_capacity",
2418
io_capacity_update));
2419
context.registerVariable(new sys_var_constrained_value<uint32_t>("purge_batch_size",
2420
innodb_purge_batch_size,
2421
purge_batch_update));
2422
context.registerVariable(new sys_var_constrained_value<uint32_t>("purge_threads",
2423
innodb_n_purge_threads,
2424
purge_threads_update));
2425
context.registerVariable(new sys_var_constrained_value<uint16_t>("fast_shutdown", innobase_fast_shutdown));
2426
context.registerVariable(new sys_var_std_string("file_format",
2427
innobase_file_format_name,
2428
innodb_file_format_name_validate));
2429
context.registerVariable(new sys_var_std_string("change_buffering",
2430
innobase_change_buffering,
2431
innodb_change_buffering_validate));
2432
context.registerVariable(new sys_var_std_string("file_format_max",
2433
innobase_file_format_max,
2434
innodb_file_format_max_validate));
2435
context.registerVariable(new sys_var_constrained_value_readonly<size_t>("buffer_pool_size", innobase_buffer_pool_size));
2436
context.registerVariable(new sys_var_constrained_value_readonly<int64_t>("log_file_size", innobase_log_file_size));
2437
context.registerVariable(new sys_var_constrained_value_readonly<uint16_t>("flush_log_at_trx_commit",
2438
innodb_flush_log_at_trx_commit));
2439
context.registerVariable(new sys_var_constrained_value_readonly<unsigned int>("max_dirty_pages_pct",
2440
innodb_max_dirty_pages_pct));
2441
context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("max_purge_lag", innodb_max_purge_lag));
2442
context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("stats_sample_pages", innodb_stats_sample_pages));
2443
context.registerVariable(new sys_var_bool_ptr("adaptive_hash_index", &btr_search_enabled, innodb_adaptive_hash_index_update));
2445
context.registerVariable(new sys_var_constrained_value<uint32_t>("commit_concurrency",
2446
innobase_commit_concurrency,
2447
innodb_commit_concurrency_validate));
2448
context.registerVariable(new sys_var_constrained_value<uint32_t>("concurrency_tickets",
2449
innodb_concurrency_tickets));
2450
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("read_io_threads", innobase_read_io_threads));
2451
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("write_io_threads", innobase_write_io_threads));
2452
context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("replication_delay", innodb_replication_delay));
2453
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("force_recovery", innobase_force_recovery));
2454
context.registerVariable(new sys_var_constrained_value_readonly<size_t>("log_buffer_size", innobase_log_buffer_size));
2455
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("log_files_in_group", innobase_log_files_in_group));
2456
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("mirrored_log_groups", innobase_mirrored_log_groups));
2457
context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("open_files", innobase_open_files));
2458
context.registerVariable(new sys_var_constrained_value<uint32_t>("old_blocks_pct",
2459
innobase_old_blocks_pct,
2460
innodb_old_blocks_pct_update));
2461
context.registerVariable(new sys_var_uint32_t_ptr("old_blocks_time", &buf_LRU_old_threshold_ms));
2462
context.registerVariable(new sys_var_constrained_value<uint32_t>("sync_spin_loops", innodb_sync_spin_loops, innodb_sync_spin_loops_update));
2463
context.registerVariable(new sys_var_constrained_value<uint32_t>("spin_wait_delay", innodb_spin_wait_delay, innodb_spin_wait_delay_update));
2464
context.registerVariable(new sys_var_constrained_value<uint32_t>("thread_sleep_delay", innodb_thread_sleep_delay, innodb_thread_sleep_delay_update));
2465
context.registerVariable(new sys_var_constrained_value<uint32_t>("thread_concurrency",
2466
innobase_thread_concurrency,
2467
innodb_thread_concurrency_update));
2468
context.registerVariable(new sys_var_constrained_value<uint32_t>("read_ahead_threshold",
2469
innodb_read_ahead_threshold,
2470
innodb_read_ahead_threshold_update));
2471
2395
/* Get the current high water mark format. */
2472
innobase_file_format_max = trx_sys_file_format_max_get();
2473
btr_search_fully_disabled = (!btr_search_enabled);
2396
innobase_file_format_check = (char*) trx_sys_file_format_max_get();
2987
2886
/********************************************************************//**
2988
Get the upper limit of the MySQL integral and floating-point type.
2989
@return maximum allowed value for the field */
2992
innobase_get_int_col_max_value(
2993
/*===========================*/
2994
const Field* field) /*!< in: MySQL field */
2996
uint64_t max_value = 0;
2998
switch(field->key_type()) {
3000
case HA_KEYTYPE_BINARY:
3001
max_value = 0xFFULL;
3004
case HA_KEYTYPE_ULONG_INT:
3005
max_value = 0xFFFFFFFFULL;
3007
case HA_KEYTYPE_LONG_INT:
3008
max_value = 0x7FFFFFFFULL;
3011
case HA_KEYTYPE_ULONGLONG:
3012
max_value = 0xFFFFFFFFFFFFFFFFULL;
3014
case HA_KEYTYPE_LONGLONG:
3015
max_value = 0x7FFFFFFFFFFFFFFFULL;
3017
case HA_KEYTYPE_DOUBLE:
3018
/* We use the maximum as per IEEE754-2008 standard, 2^53 */
3019
max_value = 0x20000000000000ULL;
3028
/*******************************************************************//**
3029
This function checks whether the index column information
3030
is consistent between KEY info from mysql and that from innodb index.
3031
@return TRUE if all column types match. */
3034
innobase_match_index_columns(
3035
/*=========================*/
3036
const KeyInfo* key_info, /*!< in: Index info
3038
const dict_index_t* index_info) /*!< in: Index info
3041
const KeyPartInfo* key_part;
3042
const KeyPartInfo* key_end;
3043
const dict_field_t* innodb_idx_fld;
3044
const dict_field_t* innodb_idx_fld_end;
3046
/* Check whether user defined index column count matches */
3047
if (key_info->key_parts != index_info->n_user_defined_cols) {
3051
key_part = key_info->key_part;
3052
key_end = key_part + key_info->key_parts;
3053
innodb_idx_fld = index_info->fields;
3054
innodb_idx_fld_end = index_info->fields + index_info->n_fields;
3056
/* Check each index column's datatype. We do not check
3057
column name because there exists case that index
3058
column name got modified in mysql but such change does not
3059
propagate to InnoDB.
3060
One hidden assumption here is that the index column sequences
3061
are matched up between those in mysql and Innodb. */
3062
for (; key_part != key_end; ++key_part) {
3065
ulint mtype = innodb_idx_fld->col->mtype;
3067
/* Need to translate to InnoDB column type before
3069
col_type = get_innobase_type_from_mysql_type(&is_unsigned,
3072
/* Ignore Innodb specific system columns. */
3073
while (mtype == DATA_SYS) {
3076
if (innodb_idx_fld >= innodb_idx_fld_end) {
3081
if (col_type != mtype) {
3082
/* Column Type mismatches */
3092
/*******************************************************************//**
3093
This function builds a translation table in INNOBASE_SHARE
3094
structure for fast index location with mysql array number from its
3095
table->key_info structure. This also provides the necessary translation
3096
between the key order in mysql key_info and Innodb ib_table->indexes if
3097
they are not fully matched with each other.
3098
Note we do not have any mutex protecting the translation table
3099
building based on the assumption that there is no concurrent
3100
index creation/drop and DMLs that requires index lookup. All table
3101
handle will be closed before the index creation/drop.
3102
@return TRUE if index translation table built successfully */
3105
innobase_build_index_translation(
3106
/*=============================*/
3107
const Table* table, /*!< in: table in MySQL data
3109
dict_table_t* ib_table, /*!< in: table in Innodb data
3111
INNOBASE_SHARE* share) /*!< in/out: share structure
3112
where index translation table
3113
will be constructed in. */
3115
ulint mysql_num_index;
3117
dict_index_t** index_mapping;
3120
mutex_enter(&dict_sys->mutex);
3122
mysql_num_index = table->getShare()->keys;
3123
ib_num_index = UT_LIST_GET_LEN(ib_table->indexes);
3125
index_mapping = share->idx_trans_tbl.index_mapping;
3127
/* If there exists inconsistency between MySQL and InnoDB dictionary
3128
(metadata) information, the number of index defined in MySQL
3129
could exceed that in InnoDB, do not build index translation
3130
table in such case */
3131
if (UNIV_UNLIKELY(ib_num_index < mysql_num_index)) {
3136
/* If index entry count is non-zero, nothing has
3137
changed since last update, directly return TRUE */
3138
if (share->idx_trans_tbl.index_count) {
3139
/* Index entry count should still match mysql_num_index */
3140
ut_a(share->idx_trans_tbl.index_count == mysql_num_index);
3144
/* The number of index increased, rebuild the mapping table */
3145
if (mysql_num_index > share->idx_trans_tbl.array_size) {
3146
index_mapping = (dict_index_t**) realloc(index_mapping,
3148
sizeof(*index_mapping));
3150
if (!index_mapping) {
3151
/* Report an error if index_mapping continues to be
3152
NULL and mysql_num_index is a non-zero value */
3153
errmsg_printf(ERRMSG_LVL_ERROR,
3154
"InnoDB: fail to allocate memory for "
3155
"index translation table. Number of "
3156
"Index:%lu, array size:%lu",
3158
share->idx_trans_tbl.array_size);
3163
share->idx_trans_tbl.array_size = mysql_num_index;
3166
/* For each index in the mysql key_info array, fetch its
3167
corresponding InnoDB index pointer into index_mapping
3169
for (ulint count = 0; count < mysql_num_index; count++) {
3171
/* Fetch index pointers into index_mapping according to mysql
3173
index_mapping[count] = dict_table_get_index_on_name(
3174
ib_table, table->key_info[count].name);
3176
if (!index_mapping[count]) {
3177
errmsg_printf(ERRMSG_LVL_ERROR, "Cannot find index %s in InnoDB "
3178
"index dictionary.",
3179
table->key_info[count].name);
3184
/* Double check fetched index has the same
3185
column info as those in mysql key_info. */
3186
if (!innobase_match_index_columns(&table->key_info[count],
3187
index_mapping[count])) {
3188
errmsg_printf(ERRMSG_LVL_ERROR, "Found index %s whose column info "
3189
"does not match that of MySQL.",
3190
table->key_info[count].name);
3196
/* Successfully built the translation table */
3197
share->idx_trans_tbl.index_count = mysql_num_index;
3201
/* Build translation table failed. */
3202
free(index_mapping);
3204
share->idx_trans_tbl.array_size = 0;
3205
share->idx_trans_tbl.index_count = 0;
3206
index_mapping = NULL;
3209
share->idx_trans_tbl.index_mapping = index_mapping;
3211
mutex_exit(&dict_sys->mutex);
3216
/*******************************************************************//**
3217
This function uses index translation table to quickly locate the
3218
requested index structure.
3219
Note we do not have mutex protection for the index translatoin table
3220
access, it is based on the assumption that there is no concurrent
3221
translation table rebuild (fter create/drop index) and DMLs that
3222
require index lookup.
3223
@return dict_index_t structure for requested index. NULL if
3224
fail to locate the index structure. */
3227
innobase_index_lookup(
3228
/*==================*/
3229
INNOBASE_SHARE* share, /*!< in: share structure for index
3230
translation table. */
3231
uint keynr) /*!< in: index number for the requested
3234
if (!share->idx_trans_tbl.index_mapping
3235
|| keynr >= share->idx_trans_tbl.index_count) {
3239
return(share->idx_trans_tbl.index_mapping[keynr]);
3242
/********************************************************************//**
3243
2887
Set the autoinc column max value. This should only be called once from
3244
ha_innobase::open(). Therefore there's no need for a covering lock. */
2888
ha_innobase::open(). Therefore there's no need for a covering lock.
2889
@return DB_SUCCESS or error code */
3247
2892
ha_innobase::innobase_initialize_autoinc()
3248
2893
/*======================================*/
2895
dict_index_t* index;
3250
2896
uint64_t auto_inc;
3251
const Field* field = getTable()->found_next_number_field;
3253
if (field != NULL) {
3254
auto_inc = innobase_get_int_col_max_value(field);
3256
/* We have no idea what's been passed in to us as the
3257
autoinc column. We set it to the 0, effectively disabling
3258
updates to the table. */
2897
const char* col_name;
2900
col_name = getTable()->found_next_number_field->field_name;
2901
index = innobase_get_index(getTable()->getShare()->next_number_index);
2903
/* Execute SELECT MAX(col_name) FROM TABLE; */
2904
error = row_search_max_autoinc(index, col_name, &auto_inc);
2909
/* At the this stage we don't know the increment
2910
or the offset, so use default inrement of 1. */
2914
case DB_RECORD_NOT_FOUND:
3261
2915
ut_print_timestamp(stderr);
3262
fprintf(stderr, " InnoDB: Unable to determine the AUTOINC "
3266
if (srv_force_recovery >= SRV_FORCE_NO_IBUF_MERGE) {
3267
/* If the recovery level is set so high that writes
3268
are disabled we force the AUTOINC counter to 0
3269
value effectively disabling writes to the table.
3270
Secondly, we avoid reading the table in case the read
3271
results in failure due to a corrupted table/index.
3273
We will not return an error to the client, so that the
3274
tables can be dumped with minimal hassle. If an error
3275
were returned in this case, the first attempt to read
3276
the table would fail and subsequent SELECTs would succeed. */
3278
} else if (field == NULL) {
3279
/* This is a far more serious error, best to avoid
3280
opening the table and return failure. */
3281
my_error(ER_AUTOINC_READ_FAILED, MYF(0));
3283
dict_index_t* index;
3284
const char* col_name;
3285
uint64_t read_auto_inc;
3288
update_session(getTable()->in_use);
3289
col_name = field->field_name;
3291
ut_a(prebuilt->trx == session_to_trx(user_session));
3293
index = innobase_get_index(getTable()->getShare()->next_number_index);
3295
/* Execute SELECT MAX(col_name) FROM TABLE; */
3296
err = row_search_max_autoinc(index, col_name, &read_auto_inc);
3300
uint64_t col_max_value;
3302
col_max_value = innobase_get_int_col_max_value(field);
3304
/* At the this stage we do not know the increment
3305
nor the offset, so use a default increment of 1. */
3307
auto_inc = innobase_next_autoinc(read_auto_inc, 1, 1, col_max_value);
3311
case DB_RECORD_NOT_FOUND:
3312
ut_print_timestamp(stderr);
3313
fprintf(stderr, " InnoDB: MySQL and InnoDB data "
3314
"dictionaries are out of sync.\n"
3315
"InnoDB: Unable to find the AUTOINC column "
3316
"%s in the InnoDB table %s.\n"
3317
"InnoDB: We set the next AUTOINC column "
3319
"InnoDB: in effect disabling the AUTOINC "
3320
"next value generation.\n"
3321
"InnoDB: You can either set the next "
3322
"AUTOINC value explicitly using ALTER TABLE\n"
3323
"InnoDB: or fix the data dictionary by "
3324
"recreating the table.\n",
3325
col_name, index->table->name);
3327
/* This will disable the AUTOINC generation. */
3330
/* We want the open to succeed, so that the user can
3331
take corrective action. ie. reads should succeed but
3332
updates should fail. */
3336
/* row_search_max_autoinc() should only return
3337
one of DB_SUCCESS or DB_RECORD_NOT_FOUND. */
2916
fprintf(stderr, " InnoDB: MySQL and InnoDB data "
2917
"dictionaries are out of sync.\n"
2918
"InnoDB: Unable to find the AUTOINC column %s in the "
2919
"InnoDB table %s.\n"
2920
"InnoDB: We set the next AUTOINC column value to the "
2921
"maximum possible value,\n"
2922
"InnoDB: in effect disabling the AUTOINC next value "
2924
"InnoDB: You can either set the next AUTOINC value "
2925
"explicitly using ALTER TABLE\n"
2926
"InnoDB: or fix the data dictionary by recreating "
2928
col_name, index->table->name);
2930
auto_inc = 0xFFFFFFFFFFFFFFFFULL;
3342
2937
dict_table_autoinc_initialize(prebuilt->table, auto_inc);
3345
2942
/*****************************************************************//**
3468
3060
of length ref_length! */
3470
3062
if (!row_table_got_default_clust_index(ib_table)) {
3063
if (primary_key >= MAX_KEY) {
3064
errmsg_printf(ERRMSG_LVL_ERROR, "Table %s has a primary key in InnoDB data "
3065
"dictionary, but not in MySQL!", identifier.getTableName().c_str());
3472
3068
prebuilt->clust_index_was_generated = FALSE;
3474
if (UNIV_UNLIKELY(primary_key >= MAX_KEY)) {
3475
errmsg_printf(ERRMSG_LVL_ERROR, "Table %s has a primary key in "
3476
"InnoDB data dictionary, but not "
3477
"in MySQL!", identifier.getTableName().c_str());
3479
/* This mismatch could cause further problems
3480
if not attended, bring this to the user's attention
3481
by printing a warning in addition to log a message
3483
push_warning_printf(session, DRIZZLE_ERROR::WARN_LEVEL_WARN,
3485
"InnoDB: Table %s has a "
3486
"primary key in InnoDB data "
3487
"dictionary, but not in "
3488
"MySQL!", identifier.getTableName().c_str());
3490
/* If primary_key >= MAX_KEY, its (primary_key)
3491
value could be out of bound if continue to index
3492
into key_info[] array. Find InnoDB primary index,
3493
and assign its key_length to ref_length.
3494
In addition, since MySQL indexes are sorted starting
3495
with primary index, unique index etc., initialize
3496
ref_length to the first index key length in
3497
case we fail to find InnoDB cluster index.
3499
Please note, this will not resolve the primary
3500
index mismatch problem, other side effects are
3501
possible if users continue to use the table.
3502
However, we allow this table to be opened so
3503
that user can adopt necessary measures for the
3504
mismatch while still being accessible to the table
3506
ref_length = getTable()->key_info[0].key_length;
3508
/* Find correspoinding cluster index
3509
key length in MySQL's key_info[] array */
3510
for (ulint i = 0; i < getTable()->getShare()->keys; i++) {
3511
dict_index_t* index;
3512
index = innobase_get_index(i);
3513
if (dict_index_is_clust(index)) {
3515
getTable()->key_info[i].key_length;
3519
/* MySQL allocates the buffer for ref.
3520
key_info->key_length includes space for all key
3521
columns + one byte for each column that may be
3522
NULL. ref_length must be as exact as possible to
3523
save space, because all row reference buffers are
3524
allocated based on ref_length. */
3526
ref_length = getTable()->key_info[primary_key].key_length;
3070
/* MySQL allocates the buffer for ref. key_info->key_length
3071
includes space for all key columns + one byte for each column
3072
that may be NULL. ref_length must be as exact as possible to
3073
save space, because all row reference buffers are allocated
3074
based on ref_length. */
3076
ref_length = getTable()->key_info[primary_key].key_length;
3529
3078
if (primary_key != MAX_KEY) {
3530
errmsg_printf(ERRMSG_LVL_ERROR,
3531
"Table %s has no primary key in InnoDB data "
3532
"dictionary, but has one in MySQL! If you "
3533
"created the table with a MySQL version < "
3534
"3.23.54 and did not define a primary key, "
3535
"but defined a unique key with all non-NULL "
3536
"columns, then MySQL internally treats that "
3537
"key as the primary key. You can fix this "
3538
"error by dump + DROP + CREATE + reimport "
3539
"of the table.", identifier.getTableName().c_str());
3541
/* This mismatch could cause further problems
3542
if not attended, bring this to the user attention
3543
by printing a warning in addition to log a message
3545
push_warning_printf(session, DRIZZLE_ERROR::WARN_LEVEL_WARN,
3547
"InnoDB: Table %s has no "
3548
"primary key in InnoDB data "
3549
"dictionary, but has one in "
3550
"MySQL!", identifier.getTableName().c_str());
3079
errmsg_printf(ERRMSG_LVL_ERROR, "Table %s has no primary key in InnoDB data "
3080
"dictionary, but has one in MySQL! If you "
3081
"created the table with a MySQL version < "
3082
"3.23.54 and did not define a primary key, "
3083
"but defined a unique key with all non-NULL "
3084
"columns, then MySQL internally treats that "
3085
"key as the primary key. You can fix this "
3086
"error by dump + DROP + CREATE + reimport "
3087
"of the table.", identifier.getTableName().c_str());
3553
3090
prebuilt->clust_index_was_generated = TRUE;
9185
8365
/************************************************************//**
8366
Validate the file format check value, is it one of "on" or "off",
8367
as a side effect it sets the srv_check_file_format_at_startup variable.
8368
@return true if config value one of "on" or "off" */
8371
innobase_file_format_check_on_off(
8372
/*==============================*/
8373
const char* format_check) /*!< in: parameter value */
8377
if (!innobase_strcasecmp(format_check, "off")) {
8379
/* Set the value to disable checking. */
8380
srv_check_file_format_at_startup = DICT_TF_FORMAT_MAX + 1;
8382
} else if (!innobase_strcasecmp(format_check, "on")) {
8384
/* Set the value to the lowest supported format. */
8385
srv_check_file_format_at_startup = DICT_TF_FORMAT_51;
8393
/************************************************************//**
9186
8394
Validate the file format check config parameters, as a side effect it
9187
sets the srv_max_file_format_at_startup variable.
8395
sets the srv_check_file_format_at_startup variable.
9188
8396
@return the format_id if valid config value, otherwise, return -1 */
9191
8399
innobase_file_format_validate_and_set(
9192
8400
/*================================*/
9193
const char* format_max) /*!< in: parameter value */
8401
const char* format_check) /*!< in: parameter value */
9195
8403
uint format_id;
9197
format_id = innobase_file_format_name_lookup(format_max);
8405
format_id = innobase_file_format_name_lookup(format_check);
9199
8407
if (format_id < DICT_TF_FORMAT_MAX + 1) {
9200
srv_max_file_format_at_startup = format_id;
8408
srv_check_file_format_at_startup = format_id;
9201
8409
return((int) format_id);
8415
/*************************************************************//**
8416
Check if it is a valid file format. This function is registered as
8417
a callback with MySQL.
8418
@return 0 for valid file format */
8421
innodb_file_format_name_validate(
8422
/*=============================*/
8423
Session* , /*!< in: thread handle */
8424
drizzle_sys_var* , /*!< in: pointer to system
8426
void* save, /*!< out: immediate result
8427
for update function */
8428
drizzle_value* value) /*!< in: incoming string */
8430
const char* file_format_input;
8431
char buff[STRING_BUFFER_USUAL_SIZE];
8432
int len = sizeof(buff);
8435
ut_a(value != NULL);
8437
file_format_input = value->val_str(value, buff, &len);
8439
if (file_format_input != NULL) {
8442
format_id = innobase_file_format_name_lookup(
8445
if (format_id <= DICT_TF_FORMAT_MAX) {
8446
/* Save a pointer to the name in the
8447
'file_format_name_map' constant array. */
8448
*static_cast<const char**>(save) =
8449
trx_sys_file_format_id_to_name(format_id);
8455
*static_cast<const char**>(save) = NULL;
8459
/****************************************************************//**
8460
Update the system variable innodb_file_format using the "saved"
8461
value. This function is registered as a callback with MySQL. */
8464
innodb_file_format_name_update(
8465
/*===========================*/
8466
Session* , /*!< in: thread handle */
8467
drizzle_sys_var* , /*!< in: pointer to
8469
void* var_ptr, /*!< out: where the
8470
formal string goes */
8471
const void* save) /*!< in: immediate result
8472
from check function */
8474
const char* format_name;
8476
ut_a(var_ptr != NULL);
8479
format_name = *static_cast<const char*const*>(save);
8484
format_id = innobase_file_format_name_lookup(format_name);
8486
if (format_id <= DICT_TF_FORMAT_MAX) {
8487
srv_file_format = format_id;
8491
*static_cast<const char**>(var_ptr)
8492
= trx_sys_file_format_id_to_name(srv_file_format);
8495
/*************************************************************//**
8496
Check if valid argument to innodb_file_format_check. This
8497
function is registered as a callback with MySQL.
8498
@return 0 for valid file format */
8501
innodb_file_format_check_validate(
8502
/*==============================*/
8503
Session* session, /*!< in: thread handle */
8504
drizzle_sys_var* , /*!< in: pointer to system
8506
void* save, /*!< out: immediate result
8507
for update function */
8508
drizzle_value* value) /*!< in: incoming string */
8510
const char* file_format_input;
8511
char buff[STRING_BUFFER_USUAL_SIZE];
8512
int len = sizeof(buff);
8516
ut_a(value != NULL);
8518
file_format_input = value->val_str(value, buff, &len);
8520
if (file_format_input != NULL) {
8522
/* Check if user set on/off, we want to print a suitable
8523
message if they did so. */
8525
if (innobase_file_format_check_on_off(file_format_input)) {
8526
push_warning_printf(session,
8527
DRIZZLE_ERROR::WARN_LEVEL_WARN,
8529
"InnoDB: invalid innodb_file_format_check "
8530
"value; on/off can only be set at startup or "
8531
"in the configuration file");
8533
format_id = innobase_file_format_validate_and_set(file_format_input);
8534
if (format_id >= 0) {
8535
/* Save a pointer to the name in the
8536
'file_format_name_map' constant array. */
8537
*static_cast<const char**>(save) =
8538
trx_sys_file_format_id_to_name(
8544
push_warning_printf(session,
8545
DRIZZLE_ERROR::WARN_LEVEL_WARN,
8547
"InnoDB: invalid innodb_file_format_check "
8548
"value; can be any format up to %s "
8549
"or its equivalent numeric id",
8550
trx_sys_file_format_id_to_name(DICT_TF_FORMAT_MAX));
8555
*static_cast<const char**>(save) = NULL;
8559
/****************************************************************//**
8560
Update the system variable innodb_file_format_check using the "saved"
8561
value. This function is registered as a callback with MySQL. */
8564
innodb_file_format_check_update(
8565
/*============================*/
8566
Session* session, /*!< in: thread handle */
8567
drizzle_sys_var* , /*!< in: pointer to
8569
void* var_ptr, /*!< out: where the
8570
formal string goes */
8571
const void* save) /*!< in: immediate result
8572
from check function */
8574
const char* format_name_in;
8575
const char** format_name_out;
8579
ut_a(var_ptr != NULL);
8581
format_name_in = *static_cast<const char*const*>(save);
8583
if (!format_name_in) {
8588
format_id = innobase_file_format_name_lookup(format_name_in);
8590
if (format_id > DICT_TF_FORMAT_MAX) {
8591
/* DEFAULT is "on", which is invalid at runtime. */
8592
push_warning_printf(session, DRIZZLE_ERROR::WARN_LEVEL_WARN,
8594
"Ignoring SET innodb_file_format=%s",
8599
format_name_out = static_cast<const char**>(var_ptr);
8601
/* Update the max format id in the system tablespace. */
8602
if (trx_sys_file_format_max_set(format_id, format_name_out)) {
8603
ut_print_timestamp(stderr);
8605
" [Info] InnoDB: the file format in the system "
8606
"tablespace is now set to %s.\n", *format_name_out);
8610
/****************************************************************//**
8611
Update the system variable innodb_adaptive_hash_index using the "saved"
8612
value. This function is registered as a callback with MySQL. */
8615
innodb_adaptive_hash_index_update(
8616
/*==============================*/
8617
Session* , /*!< in: thread handle */
8618
drizzle_sys_var* , /*!< in: pointer to
8620
void* , /*!< out: where the
8621
formal string goes */
8622
const void* save) /*!< in: immediate result
8623
from check function */
8625
if (*(bool*) save) {
8626
btr_search_enable();
8628
btr_search_disable();
8632
/****************************************************************//**
8633
Update the system variable innodb_old_blocks_pct using the "saved"
8634
value. This function is registered as a callback with MySQL. */
8637
innodb_old_blocks_pct_update(
8638
/*=========================*/
8639
Session* , /*!< in: thread handle */
8640
drizzle_sys_var* , /*!< in: pointer to
8642
void* ,/*!< out: where the
8643
formal string goes */
8644
const void* save) /*!< in: immediate result
8645
from check function */
8647
innobase_old_blocks_pct = buf_LRU_old_ratio_update(
8648
*static_cast<const uint*>(save), TRUE);
8651
/*************************************************************//**
8652
Check if it is a valid value of innodb_change_buffering. This function is
8653
registered as a callback with MySQL.
8654
@return 0 for valid innodb_change_buffering */
8657
innodb_change_buffering_validate(
8658
/*=============================*/
8659
Session* , /*!< in: thread handle */
8660
drizzle_sys_var* , /*!< in: pointer to system
8662
void* save, /*!< out: immediate result
8663
for update function */
8664
drizzle_value* value) /*!< in: incoming string */
8666
const char* change_buffering_input;
8667
char buff[STRING_BUFFER_USUAL_SIZE];
8668
int len = sizeof(buff);
8671
ut_a(value != NULL);
8673
change_buffering_input = value->val_str(value, buff, &len);
8675
if (change_buffering_input != NULL) {
8678
for (use = 0; use < UT_ARR_SIZE(innobase_change_buffering_values);
8680
if (!innobase_strcasecmp(
8681
change_buffering_input,
8682
innobase_change_buffering_values[use])) {
8683
*(ibuf_use_t*) save = (ibuf_use_t) use;
8692
/****************************************************************//**
8693
Update the system variable innodb_change_buffering using the "saved"
8694
value. This function is registered as a callback with MySQL. */
8697
innodb_change_buffering_update(
8698
/*===========================*/
8699
Session* , /*!< in: thread handle */
8700
drizzle_sys_var* , /*!< in: pointer to
8702
void* var_ptr, /*!< out: where the
8703
formal string goes */
8704
const void* save) /*!< in: immediate result
8705
from check function */
8707
ut_a(var_ptr != NULL);
8709
ut_a((*(ibuf_use_t*) save) < IBUF_USE_COUNT);
8711
ibuf_use = *(const ibuf_use_t*) save;
8713
*(const char**) var_ptr = innobase_change_buffering_values[ibuf_use];
8716
/* plugin options */
8717
static DRIZZLE_SYSVAR_BOOL(checksums, innobase_use_checksums,
8718
PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY,
8719
"Enable InnoDB checksums validation (enabled by default). ",
8722
static DRIZZLE_SYSVAR_STR(data_home_dir, innobase_data_home_dir,
8723
PLUGIN_VAR_READONLY,
8724
"The common part for InnoDB table spaces.",
8727
static DRIZZLE_SYSVAR_BOOL(doublewrite, innobase_use_doublewrite,
8728
PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY,
8729
"Enable InnoDB doublewrite buffer (enabled by default). ",
8732
static DRIZZLE_SYSVAR_ULONG(io_capacity, srv_io_capacity,
8733
PLUGIN_VAR_RQCMDARG,
8734
"Number of IOPs the server can do. Tunes the background IO rate",
8735
NULL, NULL, 200, 100, ~0L, 0);
8737
static DRIZZLE_SYSVAR_ULONG(fast_shutdown, innobase_fast_shutdown,
8738
PLUGIN_VAR_OPCMDARG,
8739
"Speeds up the shutdown process of the InnoDB storage engine. Possible "
8740
"values are 0, 1 (faster)"
8741
" or 2 (fastest - crash-like)"
8743
NULL, NULL, 1, 0, 2, 0);
8745
static DRIZZLE_SYSVAR_BOOL(file_per_table, srv_file_per_table,
8746
PLUGIN_VAR_NOCMDARG,
8747
"Stores each InnoDB table to an .ibd file in the database dir.",
8750
static DRIZZLE_SYSVAR_STR(file_format, innobase_file_format_name,
8751
PLUGIN_VAR_RQCMDARG,
8752
"File format to use for new tables in .ibd files.",
8753
innodb_file_format_name_validate,
8754
innodb_file_format_name_update, "Antelope");
8756
/* If a new file format is introduced, the file format
8757
name needs to be updated accordingly. Please refer to
8758
file_format_name_map[] defined in trx0sys.c for the next
8759
file format name. */
8760
static DRIZZLE_SYSVAR_STR(file_format_check, innobase_file_format_check,
8761
PLUGIN_VAR_OPCMDARG,
8762
"The highest file format in the tablespace.",
8763
innodb_file_format_check_validate,
8764
innodb_file_format_check_update,
8767
static DRIZZLE_SYSVAR_ULONG(flush_log_at_trx_commit, srv_flush_log_at_trx_commit,
8768
PLUGIN_VAR_OPCMDARG,
8769
"Set to 0 (write and flush once per second),"
8770
" 1 (write and flush at each commit)"
8771
" or 2 (write at commit, flush once per second).",
8772
NULL, NULL, 1, 0, 2, 0);
8774
static DRIZZLE_SYSVAR_STR(flush_method, innobase_file_flush_method,
8775
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8776
"With which method to flush data.", NULL, NULL, NULL);
8778
#ifdef UNIV_LOG_ARCHIVE
8779
static DRIZZLE_SYSVAR_STR(log_arch_dir, innobase_log_arch_dir,
8780
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8781
"Where full logs should be archived.", NULL, NULL, NULL);
8783
static DRIZZLE_SYSVAR_BOOL(log_archive, innobase_log_archive,
8784
PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY,
8785
"Set to 1 if you want to have logs archived.", NULL, NULL, FALSE);
8786
#endif /* UNIV_LOG_ARCHIVE */
8788
static DRIZZLE_SYSVAR_STR(log_group_home_dir, innobase_log_group_home_dir,
8789
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8790
"Path to InnoDB log files.", NULL, NULL, NULL);
8792
static DRIZZLE_SYSVAR_ULONG(max_dirty_pages_pct, srv_max_buf_pool_modified_pct,
8793
PLUGIN_VAR_RQCMDARG,
8794
"Percentage of dirty pages allowed in bufferpool.",
8795
NULL, NULL, 75, 0, 99, 0);
8797
static DRIZZLE_SYSVAR_BOOL(adaptive_flushing, srv_adaptive_flushing,
8798
PLUGIN_VAR_NOCMDARG,
8799
"Attempt flushing dirty pages to avoid IO bursts at checkpoints.",
8802
static DRIZZLE_SYSVAR_ULONG(max_purge_lag, srv_max_purge_lag,
8803
PLUGIN_VAR_RQCMDARG,
8804
"Desired maximum length of the purge queue (0 = no limit)",
8805
NULL, NULL, 0, 0, ~0L, 0);
8807
static DRIZZLE_SYSVAR_BOOL(status_file, innobase_create_status_file,
8808
PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_NOSYSVAR,
8809
"Enable SHOW INNODB STATUS output in the innodb_status.<pid> file",
8812
static DRIZZLE_SYSVAR_ULONGLONG(stats_sample_pages, srv_stats_sample_pages,
8813
PLUGIN_VAR_RQCMDARG,
8814
"The number of index pages to sample when calculating statistics (default 8)",
8815
NULL, NULL, 8, 1, ~0ULL, 0);
8817
static DRIZZLE_SYSVAR_BOOL(adaptive_hash_index, btr_search_enabled,
8818
PLUGIN_VAR_OPCMDARG,
8819
"Enable InnoDB adaptive hash index (enabled by default).",
8820
NULL, innodb_adaptive_hash_index_update, TRUE);
8822
static DRIZZLE_SYSVAR_ULONG(replication_delay, srv_replication_delay,
8823
PLUGIN_VAR_RQCMDARG,
8824
"Replication thread delay (ms) on the slave server if "
8825
"innodb_thread_concurrency is reached (0 by default)",
8826
NULL, NULL, 0, 0, ~0UL, 0);
8828
static DRIZZLE_SYSVAR_LONG(additional_mem_pool_size, innobase_additional_mem_pool_size,
8829
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8830
"Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.",
8831
NULL, NULL, 8*1024*1024L, 512*1024L, LONG_MAX, 1024);
8833
static DRIZZLE_SYSVAR_UINT(autoextend_increment, srv_auto_extend_increment,
8834
PLUGIN_VAR_RQCMDARG,
8835
"Data file autoextend increment in megabytes",
8836
NULL, NULL, 8L, 1L, 1000L, 0);
8838
static DRIZZLE_SYSVAR_LONGLONG(buffer_pool_size, innobase_buffer_pool_size,
8839
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8840
"The size of the memory buffer InnoDB uses to cache data and indexes of its tables.",
8841
NULL, NULL, 128*1024*1024L, 5*1024*1024L, INT64_MAX, 1024*1024L);
8843
static DRIZZLE_SYSVAR_ULONG(commit_concurrency, innobase_commit_concurrency,
8844
PLUGIN_VAR_RQCMDARG,
8845
"Helps in performance tuning in heavily concurrent environments.",
8846
innobase_commit_concurrency_validate, NULL, 0, 0, 1000, 0);
8848
static DRIZZLE_SYSVAR_ULONG(concurrency_tickets, srv_n_free_tickets_to_enter,
8849
PLUGIN_VAR_RQCMDARG,
8850
"Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket",
8851
NULL, NULL, 500L, 1L, ~0L, 0);
8853
static DRIZZLE_SYSVAR_ULONG(read_io_threads, innobase_read_io_threads,
8854
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8855
"Number of background read I/O threads in InnoDB.",
8856
NULL, NULL, 4, 1, 64, 0);
8858
static DRIZZLE_SYSVAR_ULONG(write_io_threads, innobase_write_io_threads,
8859
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8860
"Number of background write I/O threads in InnoDB.",
8861
NULL, NULL, 4, 1, 64, 0);
8863
static DRIZZLE_SYSVAR_LONG(force_recovery, innobase_force_recovery,
8864
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8865
"Helps to save your data in case the disk image of the database becomes corrupt.",
8866
NULL, NULL, 0, 0, 6, 0);
8868
static DRIZZLE_SYSVAR_LONG(log_buffer_size, innobase_log_buffer_size,
8869
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8870
"The size of the buffer which InnoDB uses to write log to the log files on disk.",
8871
NULL, NULL, 8*1024*1024L, 256*1024L, LONG_MAX, 1024);
8873
static DRIZZLE_SYSVAR_LONGLONG(log_file_size, innobase_log_file_size,
8874
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8875
"Size of each log file in a log group.",
8876
NULL, NULL, 20*1024*1024L, 1*1024*1024L, INT64_MAX, 1024*1024L);
8878
static DRIZZLE_SYSVAR_LONG(log_files_in_group, innobase_log_files_in_group,
8879
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8880
"Number of log files in the log group. InnoDB writes to the files in a circular fashion. Value 3 is recommended here.",
8881
NULL, NULL, 2, 2, 100, 0);
8883
static DRIZZLE_SYSVAR_LONG(mirrored_log_groups, innobase_mirrored_log_groups,
8884
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8885
"Number of identical copies of log groups we keep for the database. Currently this should be set to 1.",
8886
NULL, NULL, 1, 1, 10, 0);
8888
static DRIZZLE_SYSVAR_UINT(old_blocks_pct, innobase_old_blocks_pct,
8889
PLUGIN_VAR_RQCMDARG,
8890
"Percentage of the buffer pool to reserve for 'old' blocks.",
8891
NULL, innodb_old_blocks_pct_update, 100 * 3 / 8, 5, 95, 0);
8893
static DRIZZLE_SYSVAR_UINT(old_blocks_time, buf_LRU_old_threshold_ms,
8894
PLUGIN_VAR_RQCMDARG,
8895
"Move blocks to the 'new' end of the buffer pool if the first access"
8896
" was at least this many milliseconds ago."
8897
" The timeout is disabled if 0 (the default).",
8898
NULL, NULL, 0, 0, UINT32_MAX, 0);
8900
static DRIZZLE_SYSVAR_LONG(open_files, innobase_open_files,
8901
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8902
"How many files at the maximum InnoDB keeps open at the same time.",
8903
NULL, NULL, 300L, 10L, LONG_MAX, 0);
8905
static DRIZZLE_SYSVAR_ULONG(sync_spin_loops, srv_n_spin_wait_rounds,
8906
PLUGIN_VAR_RQCMDARG,
8907
"Count of spin-loop rounds in InnoDB mutexes (30 by default)",
8908
NULL, NULL, 30L, 0L, ~0L, 0);
8910
static DRIZZLE_SYSVAR_ULONG(spin_wait_delay, srv_spin_wait_delay,
8911
PLUGIN_VAR_OPCMDARG,
8912
"Maximum delay between polling for a spin lock (6 by default)",
8913
NULL, NULL, 6L, 0L, ~0L, 0);
8915
static DRIZZLE_SYSVAR_ULONG(thread_concurrency, srv_thread_concurrency,
8916
PLUGIN_VAR_RQCMDARG,
8917
"Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.",
8918
NULL, NULL, 0, 0, 1000, 0);
8920
static DRIZZLE_SYSVAR_ULONG(thread_sleep_delay, srv_thread_sleep_delay,
8921
PLUGIN_VAR_RQCMDARG,
8922
"Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep",
8923
NULL, NULL, 10000L, 0L, ~0L, 0);
8925
static DRIZZLE_SYSVAR_STR(data_file_path, innobase_data_file_path,
8926
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
8927
"Path to individual files and their sizes.",
8930
static DRIZZLE_SYSVAR_STR(version, innodb_version_str,
8931
PLUGIN_VAR_NOCMDOPT | PLUGIN_VAR_READONLY,
8932
"InnoDB version", NULL, NULL, INNODB_VERSION_STR);
8934
static DRIZZLE_SYSVAR_BOOL(use_sys_malloc, srv_use_sys_malloc,
8935
PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY,
8936
"Use OS memory allocator instead of InnoDB's internal memory allocator",
8939
static DRIZZLE_SYSVAR_STR(change_buffering, innobase_change_buffering,
8940
PLUGIN_VAR_RQCMDARG,
8941
"Buffer changes to reduce random access: "
8942
"OFF, ON, inserting, deleting, changing, or purging.",
8943
innodb_change_buffering_validate,
8944
innodb_change_buffering_update, NULL);
8946
static DRIZZLE_SYSVAR_ULONG(read_ahead_threshold, srv_read_ahead_threshold,
8947
PLUGIN_VAR_RQCMDARG,
8948
"Number of pages that must be accessed sequentially for InnoDB to"
8949
"trigger a readahead.",
8950
NULL, NULL, 56, 0, 64, 0);
9209
8952
static void init_options(drizzled::module::option_context &context)
9263
9004
context("disable-stats-on-metadata",
9264
9005
"Disable statistics gathering for metadata commands such as SHOW TABLE STATUS (on by default)");
9265
9006
context("stats-sample-pages",
9266
po::value<uint64_nonzero_constraint>(&innodb_stats_sample_pages)->default_value(8),
9007
po::value<uint64_t>(&srv_stats_sample_pages)->default_value(8),
9267
9008
"The number of index pages to sample when calculating statistics (default 8)");
9268
9009
context("disable-adaptive-hash-index",
9269
9010
"Enable InnoDB adaptive hash index (enabled by default)");
9270
9011
context("replication-delay",
9271
po::value<uint64_constraint>(&innodb_replication_delay)->default_value(0),
9012
po::value<unsigned long>(&srv_replication_delay)->default_value(0),
9272
9013
"Replication thread delay (ms) on the slave server if innodb_thread_concurrency is reached (0 by default)");
9273
9014
context("additional-mem-pool-size",
9274
po::value<additional_mem_pool_constraint>(&innobase_additional_mem_pool_size)->default_value(8*1024*1024L),
9015
po::value<long>(&innobase_additional_mem_pool_size)->default_value(8*1024*1024L),
9275
9016
"Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.");
9276
9017
context("autoextend-increment",
9277
po::value<autoextend_constraint>(&innodb_auto_extend_increment)->default_value(8L),
9018
po::value<uint32_t>(&srv_auto_extend_increment)->default_value(8L),
9278
9019
"Data file autoextend increment in megabytes");
9279
9020
context("buffer-pool-size",
9280
po::value<buffer_pool_constraint>(&innobase_buffer_pool_size)->default_value(128*1024*1024L),
9021
po::value<int64_t>(&innobase_buffer_pool_size)->default_value(128*1024*1024L),
9281
9022
"The size of the memory buffer InnoDB uses to cache data and indexes of its tables.");
9282
context("buffer-pool-instances",
9283
po::value<buffer_pool_instances_constraint>(&innobase_buffer_pool_instances)->default_value(1),
9284
"Number of buffer pool instances, set to higher value on high-end machines to increase scalability");
9286
9023
context("commit-concurrency",
9287
po::value<concurrency_constraint>(&innobase_commit_concurrency)->default_value(0),
9024
po::value<unsigned long>(&innobase_commit_concurrency)->default_value(0),
9288
9025
"Helps in performance tuning in heavily concurrent environments.");
9289
9026
context("concurrency-tickets",
9290
po::value<uint32_nonzero_constraint>(&innodb_concurrency_tickets)->default_value(500L),
9027
po::value<unsigned long>(&srv_n_free_tickets_to_enter)->default_value(500L),
9291
9028
"Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket");
9292
9029
context("read-io-threads",
9293
po::value<io_threads_constraint>(&innobase_read_io_threads)->default_value(4),
9030
po::value<unsigned long>(&innobase_read_io_threads)->default_value(4),
9294
9031
"Number of background read I/O threads in InnoDB.");
9295
9032
context("write-io-threads",
9296
po::value<io_threads_constraint>(&innobase_write_io_threads)->default_value(4),
9033
po::value<unsigned long>(&innobase_write_io_threads)->default_value(4),
9297
9034
"Number of background write I/O threads in InnoDB.");
9298
9035
context("force-recovery",
9299
po::value<force_recovery_constraint>(&innobase_force_recovery)->default_value(0),
9036
po::value<long>(&innobase_force_recovery)->default_value(0),
9300
9037
"Helps to save your data in case the disk image of the database becomes corrupt.");
9301
9038
context("log-buffer-size",
9302
po::value<log_buffer_constraint>(&innobase_log_buffer_size)->default_value(8*1024*1024L),
9039
po::value<long>(&innobase_log_buffer_size)->default_value(8*1024*1024L),
9303
9040
"The size of the buffer which InnoDB uses to write log to the log files on disk.");
9304
9041
context("log-file-size",
9305
po::value<log_file_constraint>(&innobase_log_file_size)->default_value(20*1024*1024L),
9042
po::value<int64_t>(&innobase_log_file_size)->default_value(20*1024*1024L),
9306
9043
"The size of the buffer which InnoDB uses to write log to the log files on disk.");
9307
9044
context("log-files-in-group",
9308
po::value<log_files_in_group_constraint>(&innobase_log_files_in_group)->default_value(2),
9045
po::value<long>(&innobase_log_files_in_group)->default_value(2),
9309
9046
"Number of log files in the log group. InnoDB writes to the files in a circular fashion.");
9310
9047
context("mirrored-log-groups",
9311
po::value<mirrored_log_groups_constraint>(&innobase_mirrored_log_groups)->default_value(1),
9048
po::value<long>(&innobase_mirrored_log_groups)->default_value(1),
9312
9049
"Number of identical copies of log groups we keep for the database. Currently this should be set to 1.");
9313
9050
context("open-files",
9314
po::value<open_files_constraint>(&innobase_open_files)->default_value(300L),
9051
po::value<long>(&innobase_open_files)->default_value(300L),
9315
9052
"How many files at the maximum InnoDB keeps open at the same time.");
9316
9053
context("sync-spin-loops",
9317
po::value<uint32_constraint>(&innodb_sync_spin_loops)->default_value(30L),
9054
po::value<unsigned long>(&srv_n_spin_wait_rounds)->default_value(30L),
9318
9055
"Count of spin-loop rounds in InnoDB mutexes (30 by default)");
9319
9056
context("spin-wait-delay",
9320
po::value<uint32_constraint>(&innodb_spin_wait_delay)->default_value(6L),
9057
po::value<unsigned long>(&srv_spin_wait_delay)->default_value(6L),
9321
9058
"Maximum delay between polling for a spin lock (6 by default)");
9322
9059
context("thread-concurrency",
9323
po::value<concurrency_constraint>(&innobase_thread_concurrency)->default_value(0),
9060
po::value<unsigned long>(&srv_thread_concurrency)->default_value(0),
9324
9061
"Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.");
9325
9062
context("thread-sleep-delay",
9326
po::value<uint32_constraint>(&innodb_thread_sleep_delay)->default_value(10000L),
9063
po::value<unsigned long>(&srv_thread_sleep_delay)->default_value(10000L),
9327
9064
"Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep");
9328
9065
context("data-file-path",
9329
9066
po::value<string>(),
9334
9071
context("use-internal-malloc",
9335
9072
"Use InnoDB's internal memory allocator instal of the OS memory allocator.");
9336
9073
context("change-buffering",
9337
po::value<string>(&innobase_change_buffering),
9074
po::value<string>(),
9338
9075
"Buffer changes to reduce random access: OFF, ON, inserting, deleting, changing, or purging.");
9339
9076
context("read-ahead-threshold",
9340
po::value<read_ahead_threshold_constraint>(&innodb_read_ahead_threshold)->default_value(56),
9077
po::value<unsigned long>(&srv_read_ahead_threshold)->default_value(56),
9341
9078
"Number of pages that must be accessed sequentially for InnoDB to trigger a readahead.");
9342
9079
context("disable-xa",
9343
9080
"Disable InnoDB support for the XA two-phase commit");
9344
9081
context("disable-table-locks",
9345
9082
"Disable InnoDB locking in LOCK TABLES");
9346
9083
context("strict-mode",
9347
po::value<bool>(&strict_mode)->default_value(false)->zero_tokens(),
9084
po::value<bool>()->default_value(false)->zero_tokens(),
9348
9085
"Use strict mode when evaluating create options.");
9349
context("replication-log",
9350
po::value<bool>(&innobase_use_replication_log)->default_value(false),
9351
_("Enable internal replication log."));
9352
9086
context("lock-wait-timeout",
9353
po::value<lock_wait_constraint>(&lock_wait_timeout)->default_value(50),
9354
_("Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout."));
9355
context("old-blocks-pct",
9356
po::value<old_blocks_constraint>(&innobase_old_blocks_pct)->default_value(100 * 3 / 8),
9357
_("Percentage of the buffer pool to reserve for 'old' blocks."));
9358
context("old-blocks-time",
9359
po::value<uint32_t>(&buf_LRU_old_threshold_ms)->default_value(0),
9360
_("ove blocks to the 'new' end of the buffer pool if the first access"
9361
" was at least this many milliseconds ago."
9362
" The timeout is disabled if 0 (the default)."));
9087
po::value<unsigned long>()->default_value(50),
9088
"Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.");
9091
static drizzle_sys_var* innobase_system_variables[]= {
9092
DRIZZLE_SYSVAR(additional_mem_pool_size),
9093
DRIZZLE_SYSVAR(autoextend_increment),
9094
DRIZZLE_SYSVAR(buffer_pool_size),
9095
DRIZZLE_SYSVAR(checksums),
9096
DRIZZLE_SYSVAR(commit_concurrency),
9097
DRIZZLE_SYSVAR(concurrency_tickets),
9098
DRIZZLE_SYSVAR(data_file_path),
9099
DRIZZLE_SYSVAR(data_home_dir),
9100
DRIZZLE_SYSVAR(doublewrite),
9101
DRIZZLE_SYSVAR(fast_shutdown),
9102
DRIZZLE_SYSVAR(read_io_threads),
9103
DRIZZLE_SYSVAR(write_io_threads),
9104
DRIZZLE_SYSVAR(file_per_table),
9105
DRIZZLE_SYSVAR(file_format),
9106
DRIZZLE_SYSVAR(file_format_check),
9107
DRIZZLE_SYSVAR(flush_log_at_trx_commit),
9108
DRIZZLE_SYSVAR(flush_method),
9109
DRIZZLE_SYSVAR(force_recovery),
9110
DRIZZLE_SYSVAR(lock_wait_timeout),
9111
#ifdef UNIV_LOG_ARCHIVE
9112
DRIZZLE_SYSVAR(log_arch_dir),
9113
DRIZZLE_SYSVAR(log_archive),
9114
#endif /* UNIV_LOG_ARCHIVE */
9115
DRIZZLE_SYSVAR(log_buffer_size),
9116
DRIZZLE_SYSVAR(log_file_size),
9117
DRIZZLE_SYSVAR(log_files_in_group),
9118
DRIZZLE_SYSVAR(log_group_home_dir),
9119
DRIZZLE_SYSVAR(max_dirty_pages_pct),
9120
DRIZZLE_SYSVAR(max_purge_lag),
9121
DRIZZLE_SYSVAR(adaptive_flushing),
9122
DRIZZLE_SYSVAR(mirrored_log_groups),
9123
DRIZZLE_SYSVAR(old_blocks_pct),
9124
DRIZZLE_SYSVAR(old_blocks_time),
9125
DRIZZLE_SYSVAR(open_files),
9126
DRIZZLE_SYSVAR(stats_sample_pages),
9127
DRIZZLE_SYSVAR(adaptive_hash_index),
9128
DRIZZLE_SYSVAR(replication_delay),
9129
DRIZZLE_SYSVAR(status_file),
9130
DRIZZLE_SYSVAR(strict_mode),
9131
DRIZZLE_SYSVAR(support_xa),
9132
DRIZZLE_SYSVAR(sync_spin_loops),
9133
DRIZZLE_SYSVAR(spin_wait_delay),
9134
DRIZZLE_SYSVAR(table_locks),
9135
DRIZZLE_SYSVAR(thread_concurrency),
9136
DRIZZLE_SYSVAR(thread_sleep_delay),
9137
DRIZZLE_SYSVAR(version),
9138
DRIZZLE_SYSVAR(use_sys_malloc),
9139
DRIZZLE_SYSVAR(change_buffering),
9140
DRIZZLE_SYSVAR(read_ahead_threshold),
9141
DRIZZLE_SYSVAR(io_capacity),
9367
9145
DRIZZLE_DECLARE_PLUGIN