~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
#!/usr/bin/perl
# Copyright (C) 2001, 2003 MySQL AB
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; version 2
# of the License.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA
#
# Test of transactions performance.
#

##################### Standard benchmark inits ##############################

use Cwd;
use DBI;
use Benchmark;
#use warnings;

$opt_groups=27;		    # Characters are 'A' -> Z

$opt_loop_count=10000;	    # Change this to make test harder/easier
$opt_medium_loop_count=100; # Change this to make test harder/easier

$pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";

# Avoid warnings for variables in bench-init.pl
# (Only works with perl 5.6)
#our ($opt_small_test, $opt_small_tables, $opt_debug, $opt_force);

if ($opt_small_test || $opt_small_tables)
{
  $opt_loop_count/=100;
  $opt_medium_loop_count/=10;
}


if (!$server->{transactions} && !$opt_force)
{
  print "Test skipped because the database doesn't support transactions\n";
  exit(0);
}

####
####  Connect and start timeing
####

$start_time=new Benchmark;
$dbh = $server->connect();

###
### Create Table
###

print "Creating tables\n";
$dbh->do("drop table bench1");
$dbh->do("drop table bench2");

do_many($dbh,$server->create("bench1",
			     ["idn int NOT NULL",
			      "rev_idn int NOT NULL",
			      "region char(1) NOT NULL",
			      "grp int NOT NULL",
			      "updated tinyint NOT NULL"],
			     ["primary key (idn)",
			      "unique (region,grp)"]));
do_many($dbh,$server->create("bench2",
			     ["idn int NOT NULL",
			      "rev_idn int NOT NULL",
			      "region char(1) NOT NULL",
			      "grp int NOT NULL",
			      "updated tinyint NOT NULL"],
			     ["primary key (idn)",
			      "unique (region,grp)"]));

$dbh->{AutoCommit} = 0;

###
### Test insert perfomance
###

test_insert("bench1","insert_commit",0);
test_insert("bench2","insert_autocommit",1);

sub test_insert
{
  my ($table, $test_name, $auto_commit)= @_;
  my ($loop_time,$end_time,$id,$rev_id,$grp,$region);

  $dbh->{AutoCommit}= $auto_commit;
  $loop_time=new Benchmark;

  for ($id=0,$rev_id=$opt_loop_count-1 ; $id < $opt_loop_count ;
       $id++,$rev_id--)
  {
    $grp=$id/$opt_groups;
    $region=chr(65+$id%$opt_groups);
    do_query($dbh,"insert into $table values ($id,$rev_id,'$region',$grp,0)");
  }

  $dbh->commit if (!$auto_commit);
  $end_time=new Benchmark;
  print "Time for $test_name  ($opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

###
### Test rollback performance
###

print "Test transactions rollback performance\n" if($opt_debug);

##
## Insert rollback test
##

#
# Test is done by inserting 100 rows in a table with lots of rows and
# then doing a rollback on these
#

{
  my ($id,$rev_id,$grp,$region,$end,$loop_time,$end_time,$commit_loop,$count);

  $dbh->{AutoCommit} = 0;
  $loop_time=new Benchmark;
  $end=$opt_loop_count*2;
  $count=0;

  for ($commit_loop=1, $id=$opt_loop_count ; $id < $end ;
       $id++, $commit_loop++)
  {
    $rev_id=$end-$id;
    $grp=$id/$opt_groups;
    $region=chr(65+$id%$opt_groups);
    do_query($dbh,"insert into bench1 values ($id,$rev_id,'$region',$grp,0)");
    if ($commit_loop >= $opt_medium_loop_count)
    {
      $dbh->rollback;
      $commit_loop=0;
      $count++;
    }
  }
  if ($commit_loop > 1)
  {
    $dbh->rollback;
    $count++;
  }
  $end_time=new Benchmark;
  print "Time for insert_rollback ($count:$opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

##
## Update rollback test
##

#
# Test is done by updating 100 rows in a table with lots of rows and
# then doing a rollback on these
#

{
  my ($id,$loop_time,$end_time,$commit_loop,$count);

  $dbh->{AutoCommit} = 0;
  $loop_time=new Benchmark;
  $end=$opt_loop_count*2;
  $count=0;

  for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
  {
    do_query($dbh,"update bench1 set updated=2 where idn=$id");
    if ($commit_loop >= $opt_medium_loop_count)
    {
      $dbh->rollback;
      $commit_loop=0;
      $count++;
    }
  }
  if ($commit_loop > 1)
  {
    $dbh->rollback;
    $count++;
  }
  $end_time=new Benchmark;
  print "Time for update_rollback ($count:$opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

##
## Delete rollback test
##

#
# Test is done by deleting 100 rows in a table with lots of rows and
# then doing a rollback on these
#

{
  my ($id,$loop_time,$end_time,$commit_loop,$count);

  $dbh->{AutoCommit} = 0;
  $loop_time=new Benchmark;
  $end=$opt_loop_count*2;
  $count=0;

  for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
  {
    do_query($dbh,"delete from bench1 where idn=$id");
    if ($commit_loop >= $opt_medium_loop_count)
    {
      $dbh->rollback;
      $commit_loop=0;
      $count++;
    }
  }
  if ($commit_loop > 1)
  {
    $dbh->rollback;
    $count++;
  }
  $end_time=new Benchmark;
  print "Time for delete_rollback ($count:$opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}


###
### Test update perfomance
###

test_update("bench1","update_commit",0);
test_update("bench2","update_autocommit",1);

sub test_update
{
  my ($table, $test_name, $auto_commit)= @_;
  my ($loop_time,$end_time,$id);

  $dbh->{AutoCommit}= $auto_commit;
  $loop_time=new Benchmark;

  for ($id=0 ; $id < $opt_loop_count ; $id++)
  {
    do_query($dbh,"update $table set updated=1 where idn=$id");
  }

  $dbh->commit if (!$auto_commit);
  $end_time=new Benchmark;
  print "Time for $test_name  ($opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

###
### Test delete perfomance
###

test_delete("bench1","delete_commit",0);
test_delete("bench2","delete_autocommit",1);

sub test_delete
{
  my ($table, $test_name, $auto_commit)= @_;
  my ($loop_time,$end_time,$id);

  $dbh->{AutoCommit}= $auto_commit;
  $loop_time=new Benchmark;

  for ($id=0 ; $id < $opt_loop_count ; $id++)
 {
    do_query($dbh,"delete from $table where idn=$id");
  }
  $dbh->commit if (!$auto_commit);
  $end_time=new Benchmark;
  print "Time for $test_name  ($opt_loop_count): " .
   timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

####
#### End of benchmark
####

$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr;
$sth = $dbh->do("drop table bench2" . $server->{'drop_attr'}) or die $DBI::errstr;

$dbh->disconnect;				# close connection
end_benchmark($start_time);