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MWL#116: Efficient group commit for binary log

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Preliminary commit for testing
This commit is contained in:
unknown
2010-09-30 15:20:15 +02:00
parent e432151e9c
commit 0394cf2030
16 changed files with 1821 additions and 467 deletions
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6
sql/sql_class.cc
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@ -673,6 +673,8 @@ THD::THD()
active_vio = 0;
#endif
pthread_mutex_init(&LOCK_thd_data, MY_MUTEX_INIT_FAST);
pthread_mutex_init(&LOCK_commit_ordered, MY_MUTEX_INIT_FAST);
pthread_cond_init(&COND_commit_ordered, 0);
/* Variables with default values */
proc_info="login";
@ -999,6 +1001,8 @@ THD::~THD()
free_root(&transaction.mem_root,MYF(0));
#endif
mysys_var=0; // Safety (shouldn't be needed)
pthread_cond_destroy(&COND_commit_ordered);
pthread_mutex_destroy(&LOCK_commit_ordered);
pthread_mutex_destroy(&LOCK_thd_data);
#ifndef DBUG_OFF
dbug_sentry= THD_SENTRY_GONE;
@ -3773,7 +3777,6 @@ int THD::binlog_flush_pending_rows_event(bool stmt_end)
if (stmt_end)
{
pending->set_flags(Rows_log_event::STMT_END_F);
pending->flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
binlog_table_maps= 0;
}
@ -3901,7 +3904,6 @@ int THD::binlog_query(THD::enum_binlog_query_type qtype, char const *query_arg,
{
Query_log_event qinfo(this, query_arg, query_len, is_trans, suppress_use,
errcode);
qinfo.flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
/*
Binlog table maps will be irrelevant after a Query_log_event
(they are just removed on the slave side) so after the query