Added time counter for local db precharge (#10883)

Author: aavdonkin

ydb/core/tx/columnshard/columnshard__init.cpp

@@ -99,16 +99,20 @@ bool TTxInit::Precharge(TTransactionContext& txc) {
 }
 
 bool TTxInit::ReadEverything(TTransactionContext& txc, const TActorContext& ctx) {
-    if (!Precharge(txc)) {
-        return false;
+    TTablesManager tManagerLocal(Self->StoragesManager, Self->TabletID());
+    {
+        TLoadTimeSignals::TLoadTimer timer = tManagerLocal.GetLoadTimeCounters()->PrechargeTimeCounters.StartGuard();
+        if (!Precharge(txc)) {
+            timer.AddLoadingFail();
+            return false;
+        }
     }
 
     NIceDb::TNiceDb db(txc.DB);
     TBlobGroupSelector dsGroupSelector(Self->Info());
     NOlap::TDbWrapper dbTable(txc.DB, &dsGroupSelector);
     {
         ACFL_DEBUG("step", "TTablesManager::Load_Start");
-        TTablesManager tManagerLocal(Self->StoragesManager, Self->TabletID());
         {
             TMemoryProfileGuard g("TTxInit/TTablesManager");
             if (!tManagerLocal.InitFromDB(db)) {

ydb/core/tx/columnshard/columnshard_impl.cpp

@@ -89,7 +89,8 @@ TColumnShard::TColumnShard(TTabletStorageInfo* info, const TActorId& tablet)
     , TTLTaskSubscription(NOlap::TTTLColumnEngineChanges::StaticTypeName(), Counters.GetSubscribeCounters())
     , BackgroundController(Counters.GetBackgroundControllerCounters())
     , NormalizerController(StoragesManager, Counters.GetSubscribeCounters())
-    , SysLocks(this) {
+    , SysLocks(this)
+{
 }
 
 void TColumnShard::OnDetach(const TActorContext& ctx) {

ydb/core/tx/columnshard/counters/common_data.h

@@ -120,13 +120,15 @@ class TTableLoadTimeCounters {
     NColumnShard::TLoadTimeSignals SchemaPresetLoadTimeCounters;
     NColumnShard::TLoadTimeSignals TableVersionsLoadTimeCounters;
     NColumnShard::TLoadTimeSignals SchemaPresetVersionsLoadTimeCounters;
+    NColumnShard::TLoadTimeSignals PrechargeTimeCounters;
 
 public:
     TTableLoadTimeCounters()
     : TableLoadTimeCounters("Tables")
     , SchemaPresetLoadTimeCounters("SchemaPreset")
     , TableVersionsLoadTimeCounters("TableVersionss")
     , SchemaPresetVersionsLoadTimeCounters("SchemaPresetVersions")
+    , PrechargeTimeCounters("Precharge")
     {
     }
 };

ydb/core/tx/columnshard/tables_manager.h

@@ -157,8 +157,14 @@ class TTablesManager {
     ui64 TabletId = 0;
 
 public:
+    friend class TTxInit;
+
     TTablesManager(const std::shared_ptr<NOlap::IStoragesManager>& storagesManager, const ui64 tabletId);
 
+    const std::unique_ptr<TTableLoadTimeCounters>& GetLoadTimeCounters() const {
+        return LoadTimeCounters;
+    }
+
     bool TryFinalizeDropPathOnExecute(NTable::TDatabase& dbTable, const ui64 pathId) const;
     bool TryFinalizeDropPathOnComplete(const ui64 pathId);