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  • Committer: Brian Aker
  • Date: 2009-02-10 00:14:40 UTC
  • Revision ID: brian@tangent.org-20090210001440-qjg8eofh3h93064b
Adding Multi-threaded Scheduler into the system.

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Lines of Context:
drizzled/drizzled.cc
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bool opt_show_slave_auth_info, opt_sql_bin_update = 0;
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bool opt_log_slave_updates= 0;
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uint32_t max_used_connections;
 
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const char *opt_scheduler= "pool_of_threads";
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size_t my_thread_stack_size= 65536;
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  OPT_DEFAULT_TIME_ZONE,
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  OPT_SYSDATE_IS_NOW,
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  OPT_OPTIMIZER_SEARCH_DEPTH,
 
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  OPT_SCHEDULER,
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  OPT_OPTIMIZER_PRUNE_LEVEL,
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  OPT_UPDATABLE_VIEWS_WITH_LIMIT,
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  OPT_AUTO_INCREMENT, OPT_AUTO_INCREMENT_OFFSET,
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   (char**) &max_system_variables.read_rnd_buff_size, 0,
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   GET_UINT, REQUIRED_ARG, 256*1024L, 64 /*IO_SIZE*2+MALLOC_OVERHEAD*/ ,
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   UINT32_MAX, MALLOC_OVERHEAD, 1 /* Small lower limit to be able to test MRR */, 0},
 
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  {"scheduler", OPT_SCHEDULER,
 
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   N_("Select scheduler to be used (by default pool-of-threads)."),
 
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   (char**) &opt_scheduler, (char**) &opt_scheduler, 0,
 
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   GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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  {"sort_buffer_size", OPT_SORT_BUFFER,
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   N_("Each thread that needs to do a sort allocates a buffer of this size."),
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   (char**) &global_system_variables.sortbuff_size,