24-4-2-hotfix: Boost restore (#15838)

Author: CyberROFL

ydb/core/protos/config.proto

@@ -1643,6 +1643,10 @@ message TSchemeShardConfig {
 
     // number of shards per table
     optional uint32 MaxCdcInitialScanShardsInFlight = 5 [default = 10];
+
+    // number of shards per table
+    // 0 means default - NKikimrIndexBuilder.TIndexBuildSettings.max_shards_in_flight
+    optional uint32 MaxRestoreBuildIndexShardsInFlight = 6 [default = 1000];
 }
 
 message TCompactionConfig {

ydb/core/tablet/resource_broker.cpp

@@ -1363,7 +1363,7 @@ NKikimrResourceBroker::TResourceBrokerConfig MakeDefaultConfig()
     queue = config.AddQueues();
     queue->SetName("queue_restore");
     queue->SetWeight(100);
-    queue->MutableLimit()->SetCpu(2);
+    queue->MutableLimit()->SetCpu(10);
 
     queue = config.AddQueues();
     queue->SetName(NLocalDb::KqpResourceManagerQueue);

ydb/core/tx/schemeshard/schemeshard_impl.cpp

@@ -4475,6 +4475,7 @@ void TSchemeShard::OnActivateExecutor(const TActorContext &ctx) {
     ConfigureStatsBatching(appData->SchemeShardConfig, ctx);
     ConfigureStatsOperations(appData->SchemeShardConfig, ctx);
     MaxCdcInitialScanShardsInFlight = appData->SchemeShardConfig.GetMaxCdcInitialScanShardsInFlight();
+    MaxRestoreBuildIndexShardsInFlight = appData->SchemeShardConfig.GetMaxRestoreBuildIndexShardsInFlight();
 
     ConfigureBackgroundCleaningQueue(appData->BackgroundCleaningConfig, ctx);
 
@@ -6991,6 +6992,7 @@ void TSchemeShard::ApplyConsoleConfigs(const NKikimrConfig::TAppConfig& appConfi
         ConfigureStatsBatching(schemeShardConfig, ctx);
         ConfigureStatsOperations(schemeShardConfig, ctx);
         MaxCdcInitialScanShardsInFlight = schemeShardConfig.GetMaxCdcInitialScanShardsInFlight();
+        MaxRestoreBuildIndexShardsInFlight = schemeShardConfig.GetMaxRestoreBuildIndexShardsInFlight();
     }
 
     if (appConfig.HasTableProfilesConfig()) {

ydb/core/tx/schemeshard/schemeshard_impl.h

@@ -347,6 +347,7 @@ class TSchemeShard
 
     TActorId CdcStreamScanFinalizer;
     ui32 MaxCdcInitialScanShardsInFlight = 10;
+    ui32 MaxRestoreBuildIndexShardsInFlight = 0;
 
     TDuration StatsMaxExecuteTime;
     TDuration StatsBatchTimeout;

ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp

@@ -218,6 +218,9 @@ THolder<TEvIndexBuilder::TEvCreateRequest> BuildIndexPropose(
 
     const TPath dstPath = TPath::Init(item.DstPathId, ss);
     settings.set_source_path(dstPath.PathString());
+    if (ss->MaxRestoreBuildIndexShardsInFlight) {
+        settings.set_max_shards_in_flight(ss->MaxRestoreBuildIndexShardsInFlight);
+    }
 
     Y_ABORT_UNLESS(item.NextIndexIdx < item.Scheme.indexes_size());
     settings.mutable_index()->CopyFrom(item.Scheme.indexes(item.NextIndexIdx));