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fix memory leak when unit migrate or del tenant happens

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This commit is contained in:
jh0
2021-07-27 15:39:13 +08:00
committed by wangzelin.wzl
parent 85d7d1e6f8
commit 9d77e24a32
8 changed files with 29 additions and 5 deletions
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16
src/sql/plan_cache/ob_plan_cache_manager.cpp
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@ -109,6 +109,20 @@ ObPsCache* ObPlanCacheManager::get_ps_cache(const uint64_t tenant_id)
return ps_cache;
}
int ObPlanCacheManager::validate_plan_cache(const uint64_t& tenant_id)
{
int ret = OB_SUCCESS;
ObPlanCache* plan_cache = get_plan_cache(tenant_id);
if (OB_ISNULL(plan_cache)) {
// do nothing, and others will create this later.
} else {
plan_cache->set_valid(true);
}
return ret;
}
// maybe get plan_cache = NULL;
// this thread other thread
//
@ -251,7 +265,7 @@ int ObPlanCacheManager::revert_plan_cache(const uint64_t& tenant_id)
int ret = OB_SUCCESS;
ObPlanCache* ppc = NULL;
observer::ObReqTimeGuard req_timeinfo_guard;
int tmp_ret = pcm_.erase_refactored(tenant_id, &ppc);
int tmp_ret = pcm_.get_refactored(tenant_id, ppc);
if (OB_SUCCESS == tmp_ret && NULL != ppc) {
SQL_PC_LOG(INFO, "plan_cache_manager revert plan cache", "pc ref_count", ppc->get_ref_count(), K(tenant_id));
// cancel scheduled task