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[FEAT MERGE] performance optimzation for OLTP

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Co-authored-by: dimstars <liangjinrongcm@gmail.com>
Co-authored-by: pe-99y <315053752@qq.com>
This commit is contained in:
Naynahs
2024-04-10 07:32:27 +00:00
committed by ob-robot
parent 054f5a5a80
commit 3d4ef9741d
177 changed files with 7111 additions and 9708 deletions
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15
src/observer/mysql/obmp_query.cpp
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@ -277,6 +277,7 @@ int ObMPQuery::process()
"trans_id", session.get_tx_id(), K(session));
} else if (queries.count() > 1
&& OB_FAIL(try_batched_multi_stmt_optimization(session,
conn,
queries,
parse_stat,
optimization_done,
@ -325,6 +326,7 @@ int ObMPQuery::process()
// 原来的值默认为true，会影响单条sql的二次路由，现在改为用 queries.count() 判断。
bool is_part_of_multi = queries.count() > 1 ? true : false;
ret = process_single_stmt(ObMultiStmtItem(is_part_of_multi, i, queries.at(i)),
conn,
session,
has_more,
force_sync_resp,
@ -349,6 +351,7 @@ int ObMPQuery::process()
EVENT_INC(SQL_SINGLE_QUERY_COUNT);
// 处理普通的Single Statement
ret = process_single_stmt(ObMultiStmtItem(false, 0, sql_),
conn,
session,
has_more,
force_sync_resp,
@ -420,6 +423,7 @@ int ObMPQuery::process()
* for details, please ref to
*/
int ObMPQuery::try_batched_multi_stmt_optimization(sql::ObSQLSessionInfo &session,
ObSMConnection *conn,
common::ObIArray<ObString> &queries,
const ObMPParseStat &parse_stat,
bool &optimization_done,
@ -440,6 +444,7 @@ int ObMPQuery::try_batched_multi_stmt_optimization(sql::ObSQLSessionInfo &sessio
} else if (!use_plan_cache) {
// 不打开plan_cache开关，则优化不支持
} else if (OB_FAIL(process_single_stmt(ObMultiStmtItem(false, 0, sql_, &queries, is_ins_multi_val_opt),
conn,
session,
has_more,
force_sync_resp,
@ -463,6 +468,7 @@ int ObMPQuery::try_batched_multi_stmt_optimization(sql::ObSQLSessionInfo &sessio
}
int ObMPQuery::process_single_stmt(const ObMultiStmtItem &multi_stmt_item,
ObSMConnection *conn,
ObSQLSessionInfo &session,
bool has_more_result,
bool force_sync_resp,
@ -473,7 +479,6 @@ int ObMPQuery::process_single_stmt(const ObMultiStmtItem &multi_stmt_item,
FLTSpanGuard(mpquery_single_stmt);
ctx_.spm_ctx_.reset();
bool need_response_error = true;
const bool enable_trace_log = lib::is_trace_log_enabled();
session.get_raw_audit_record().request_memory_used_ = 0;
observer::ObProcessMallocCallback pmcb(0,
session.get_raw_audit_record().request_memory_used_);
@ -485,14 +490,12 @@ 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());
ObSessionStatEstGuard stat_est_guard(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 {
if (enable_trace_log) {
//set session log_level.Must use ObThreadLogLevelUtils::clear() in pair
ObThreadLogLevelUtils::init(session.get_log_id_level_map());
}
//set session log_level.Must use ObThreadLogLevelUtils::clear() in pair
ObThreadLogLevelUtils::init(session.get_log_id_level_map());
// obproxy may use 'SET @@last_schema_version = xxxx' to set newest schema,
// observer will force refresh schema if local_schema_version < last_schema_version;
if (OB_FAIL(check_and_refresh_schema(session.get_login_tenant_id(),