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[CP] [CP] [CP] support sql_id level cache evict

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This commit is contained in:
obdev
2022-05-16 20:37:47 +08:00
committed by wangzelin.wzl
parent 92f008a9a9
commit bc1f0c4d8d
17 changed files with 490 additions and 49 deletions
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35
src/sql/plan_cache/ob_plan_cache_manager.cpp
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@ -445,6 +445,41 @@ void ObPlanCacheManager::ObPlanCacheEliminationTask::run_free_cache_obj_task()
}
}
int ObPlanCacheManager::flush_plan_cache_by_sql_id(uint64_t tenant_id,
uint64_t db_id,
common::ObString sql_id) {
int ret = OB_SUCCESS;
observer::ObReqTimeGuard req_timeinfo_guard;
ObPlanCache *plan_cache = get_plan_cache(tenant_id);
if (NULL != plan_cache) {
if (OB_FAIL(plan_cache->cache_evict_plan_by_sql_id(db_id, sql_id))) {
SQL_PC_LOG(ERROR, "Plan cache evict failed, please check", K(ret));
}
ObArray<DeletedCacheObjInfo> deleted_objs;
int64_t safe_timestamp = INT64_MAX;
if (OB_FAIL(ret)) {
// do nothing
} else if (OB_FAIL(observer::ObGlobalReqTimeService::get_instance()
.get_global_safe_timestamp(safe_timestamp))) {
SQL_PC_LOG(ERROR, "failed to get global safe timestamp", K(ret));
} else if (OB_FAIL(plan_cache->dump_deleted_objs<DUMP_SQL>(deleted_objs, safe_timestamp))) {
SQL_PC_LOG(WARN, "failed to get deleted sql objs", K(ret));
} else {
ObCacheObject *to_del_obj = NULL;
LOG_INFO("Deleted Cache Objs", K(deleted_objs));
for (int64_t i = 0; i < deleted_objs.count(); i++) { // ignore error code and continue
if (OB_FAIL(ObCacheObjectFactory::destroy_cache_obj(true,
deleted_objs.at(i).obj_id_,
plan_cache))) {
LOG_WARN("failed to destroy cache obj", K(ret));
}
}
}
plan_cache->dec_ref_count();
}
return ret;
}
int ObPlanCacheManager::flush_all_plan_cache()
{
int ret = OB_SUCCESS;