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Solve the problem that CreateContext occupies 500 tenant memory

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This commit is contained in:
obdev
2023-05-29 17:41:06 +00:00
committed by ob-robot
parent 17c75534d0
commit 76e17ac719
8 changed files with 36 additions and 17 deletions
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25
src/sql/plan_cache/ob_plan_cache.cpp
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@ -322,6 +322,10 @@ void ObPlanCache::destroy()
if (OB_SUCCESS != (cache_evict_all_obj())) {
SQL_PC_LOG_RET(WARN, OB_ERROR, "fail to evict all lib cache cache");
}
if (root_context_ != NULL) {
DESTROY_CONTEXT(root_context_);
root_context_ = NULL;
}
inited_ = false;
}
}
@ -331,7 +335,13 @@ int ObPlanCache::init(int64_t hash_bucket, uint64_t tenant_id)
int ret = OB_SUCCESS;
if (!inited_) {
ObPCMemPctConf default_conf;
if (OB_FAIL(co_mgr_.init(hash_bucket, tenant_id))) {
ObMemAttr attr(tenant_id, "PlanCache", ObCtxIds::PLAN_CACHE_CTX_ID);
lib::ContextParam param;
param.set_properties(lib::ADD_CHILD_THREAD_SAFE | lib::ALLOC_THREAD_SAFE)
.set_mem_attr(attr);
if (OB_FAIL(ROOT_CONTEXT->CREATE_CONTEXT(root_context_, param))) {
SQL_PC_LOG(WARN, "failed to create context", K(ret));
} else if (OB_FAIL(co_mgr_.init(hash_bucket, tenant_id))) {
SQL_PC_LOG(WARN, "failed to init lib cache manager", K(ret));
} else if (OB_FAIL(cache_key_node_map_.create(hash::cal_next_prime(hash_bucket),
ObModIds::OB_HASH_BUCKET_PLAN_CACHE,
@ -358,6 +368,12 @@ int ObPlanCache::init(int64_t hash_bucket, uint64_t tenant_id)
ref_handle_mgr_.set_tenant_id(tenant_id_);
inited_ = true;
}
if (OB_FAIL(ret)) {
if (root_context_ != NULL) {
DESTROY_CONTEXT(root_context_);
root_context_ = NULL;
}
}
}
return ret;
}
@ -1306,8 +1322,9 @@ int ObPlanCache::create_node_and_add_cache_obj(ObILibCacheKey *cache_key,
ret = OB_INVALID_ARGUMENT;
SQL_PC_LOG(WARN, "invalid argument", K(ret), K(cache_key), K(cache_obj));
} else if (OB_FAIL(cn_factory_.create_cache_node(cache_key->namespace_,
cache_node,
tenant_id_))) {
cache_node,
tenant_id_,
root_context_))) {
SQL_PC_LOG(WARN, "failed to create cache node", K(ret), K_(cache_key->namespace), K_(tenant_id));
} else {
// reference count after constructing cache node
@ -1846,7 +1863,7 @@ int ObPlanCache::add_stat_for_cache_obj(ObILibCacheCtx &ctx, ObILibCacheObject *
int ObPlanCache::alloc_cache_obj(ObCacheObjGuard& guard, ObLibCacheNameSpace ns, uint64_t tenant_id)
{
int ret = OB_SUCCESS;
if (OB_FAIL(co_mgr_.alloc(guard, ns, tenant_id))) {
if (OB_FAIL(co_mgr_.alloc(guard, ns, tenant_id, root_context_))) {
LOG_WARN("failed to alloc cache obj", K(ret));
}
return ret;