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[FEAT MERGE] OLTP performance and cpu reduction optimization under tiny specification

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Co-authored-by: hezuojiao <hezuojiao@gmail.com>
This commit is contained in:
obdev
2023-04-26 15:30:17 +00:00
committed by ob-robot
parent 8ad13af591
commit 8fb50cdf65
179 changed files with 3131 additions and 1425 deletions
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3
src/observer/mysql/obmp_query.cpp
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@ -520,7 +520,6 @@ int ObMPQuery::process_single_stmt(const ObMultiStmtItem &multi_stmt_item,
session.set_curr_trans_last_stmt_end_time(0);
//============================ 注意这些变量的生命周期 ================================
ObSessionStatEstGuard stat_est_guard(get_conn()->tenant_->id(), session.get_sessid());
if (OB_FAIL(init_process_var(ctx_, multi_stmt_item, session))) {
LOG_WARN("init process var failed.", K(ret), K(multi_stmt_item));
} else {
@ -598,7 +597,7 @@ int ObMPQuery::process_single_stmt(const ObMultiStmtItem &multi_stmt_item,
// 也不需要在这里设置结束时间，因为这已经相当于事务的最后一条语句了。
// 最后，需要判断ret错误码，只有成功执行的sql才记录结束时间
if (session.get_in_transaction() && !async_resp_used && OB_SUCC(ret)) {
session.set_curr_trans_last_stmt_end_time(ObTimeUtility::current_time());
session.set_curr_trans_last_stmt_end_time(ObClockGenerator::getClock());
}
// need_response_error这个变量保证仅在