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[FEAT MERGE] implement SQL level resource management based on pattern match

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This commit is contained in:
obdev
2023-01-04 12:39:02 +00:00
committed by ob-robot
parent cca9f7c2d2
commit 7c991b5da5
58 changed files with 2613 additions and 168 deletions
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49
src/sql/plan_cache/ob_plan_cache.cpp
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@ -217,6 +217,40 @@ struct ObGetKVEntryBySQLIDOp : public ObKVEntryTraverseOp
};
struct ObGetPcvSetByTabNameOp : public ObKVEntryTraverseOp
{
explicit ObGetPcvSetByTabNameOp(uint64_t db_id, common::ObString tab_name,
LCKeyValueArray *key_val_list,
const CacheRefHandleID ref_handle)
: ObKVEntryTraverseOp(key_val_list, ref_handle),
db_id_(db_id),
tab_name_(tab_name)
{
}
virtual int check_entry_match(LibCacheKVEntry &entry, bool &is_match)
{
int ret = common::OB_SUCCESS;
is_match = false;
if (entry.first->namespace_ >= ObLibCacheNameSpace::NS_CRSR
&& entry.first->namespace_ <= ObLibCacheNameSpace::NS_PKG) {
ObPlanCacheKey *key = static_cast<ObPlanCacheKey*>(entry.first);
ObPCVSet *node = static_cast<ObPCVSet*>(entry.second);
if (db_id_ == common::OB_INVALID_ID) {
// do nothing
} else if (db_id_ != key->db_id_) {
// skip entry that has non-matched db_id
} else if (OB_FAIL(node->check_contains_table(db_id_, tab_name_, is_match))) {
LOG_WARN("fail to check table name", K(ret), K(db_id_), K(tab_name_));
} else {
// do nothing
}
}
return ret;
}
uint64_t db_id_;
common::ObString tab_name_;
};
struct ObGetTableIdOp
{
explicit ObGetTableIdOp(uint64_t table_id)
@ -1127,6 +1161,21 @@ int ObPlanCache::cache_evict_plan_by_sql_id(uint64_t db_id, common::ObString sql
}
int ObPlanCache::evict_plan_by_table_name(uint64_t tenant_id, uint64_t database_id, ObString tab_name)
{
int ret = OB_SUCCESS;
ObGlobalReqTimeService::check_req_timeinfo();
SQL_PC_LOG(DEBUG, "cache evict plan by table name start");
LCKeyValueArray to_evict_keys;
ObGetPcvSetByTabNameOp get_ids_op(database_id, tab_name, &to_evict_keys, PCV_GET_PLAN_KEY_HANDLE);
if (OB_FAIL(foreach_cache_evict(get_ids_op))) {
SQL_PC_LOG(WARN, "failed to foreach cache evict", K(ret));
}
SQL_PC_LOG(DEBUG, "cache evict plan baseline by sql id end");
return ret;
}
// Delete the cache according to the evict mechanism
// 1. calc evict_num : (mem_used - mem_lwm) / (mem_used / cache_value_count)
// 2. get evict_sql_id from calc_cache_evict_keys