feature_flags.proto

import "google/protobuf/descriptor.proto";

package NKikimrConfig;
option java_package = "ru.yandex.kikimr.proto";

extend google.protobuf.FieldOptions {
    // Flags marked with (RequireRestart) = true are not updated at runtime when config changes
    optional bool RequireRestart = 56681;
}

message TFeatureFlags {
    enum Tribool {
        UNSET = 0;
        VALUE_TRUE = 1;
        VALUE_FALSE = 2;
    }

    // leave removed fields below
    reserved "SomeRemovedFeatureFlagExample";
    reserved "AnotherRemovedFeatureFlagExample";

    optional bool EnableSeparateSolomonShardForPDisk = 1 [default = true];
    optional bool UseForsetiSchedulerByDefaultForPDisk = 2 [default = true];
    optional bool EnableSeparateTrimThreadForPDisk = 3 [default = true];
    optional bool EnableSeparateSubmitThreadForPDisk = 4 [default = true];
    optional bool EnablePerOwnerChunkLimitForPDisk = 5 [default = false];
    optional bool TrimEntireDeviceOnStartup = 6 [default = false];
    optional bool EnableChunkGraceForPDisk = 7 [default = true];
    optional bool AllowConsistentOperationsForSchemeShard = 8 [default = true];
    optional bool EnableSchemeBoard = 9 [default = true]; // deprecated: always true
    optional bool AllowYdbRequestsWithoutDatabase = 10 [default = false, (RequireRestart) = true];
    optional bool EnableExternalSubdomains = 11 [default = true];
    optional bool AllowRecursiveMkDir = 12 [default = true]; // deprecated: always true
    optional bool AllowHugeKeyValueDeletes = 13 [default = true]; // delete when all clients limit deletes per request
    optional bool SendSchemaVersionToDatashard = 14 [default = true]; // deprecated: always true
    optional bool EnableSchemeBoardCache = 15 [default = true]; // deprecated: always true
    optional bool EnableSystemViews = 16 [default = true]; // deprecated: always true
    optional bool EnableExternalHive = 17 [default = true];
    optional bool UseSchemeBoardCacheForSchemeRequests = 18 [default = true]; // deprecated: always true
    optional bool CompileMinikqlWithVersion = 19 [default = true]; // deprecated: always true
    optional bool ReadTableWithSnapshot = 20 [default = true]; // deprecated: always true
    optional bool ImportantTabletsUseSystemPool = 21 [default = true, (RequireRestart) = true];
    optional bool EnableOfflineSlaves = 22 [default = true]; // deprecated: always true
    optional bool CheckDatabaseAccessPermission = 23 [default = false];
    optional bool AllowOnlineIndexBuild = 24 [default = true]; // deprecated: always true
    optional bool EnablePersistentQueryStats = 25 [default = true, (RequireRestart) = true];
    optional bool DisableDataShardBarrier = 26 [default = false];
    optional bool EnablePutBatchingForBlobStorage = 27 [default = true];
    optional bool EnableKqpWideFlow = 28 [default = true]; // deprecated: always true
    optional bool EnableKqpScanQueries = 29 [default = true]; // deprecated: always true
    optional bool EnablePersistentPartitionStats = 30 [default = false];
    optional bool EnableTtlOnIndexedTables = 31 [default = true]; // deprecated: always true
    optional bool AllowUpdateChannelsBindingOfSolomonPartitions = 32 [default = false];
    optional bool DisableLegacyYql = 33 [default = true]; // deprecated: always true
    optional bool EnableDataColumnForIndexTable = 34 [default = true];
    optional bool AllowServerlessStorageBillingForSchemeShard = 35 [default = false];
    optional bool EnableGracefulShutdown = 36 [default = true];
    optional bool EnableDrainOnShutdown = 37 [default = true];
    optional bool EnableConfigurationCache = 38 [default = false, (RequireRestart) = true];
    optional bool EnableDbCounters = 39 [default = false, (RequireRestart) = true];
    optional bool EnableClockGettimeForUserCpuAccounting = 40 [default = false];
    optional bool EnableAsyncIndexes = 41 [default = true]; // deprecated: always true
    optional bool AllowStreamExecuteYqlScript = 42 [default = true];
    optional bool EnableKqpScanOverPersistentSnapshot = 43 [default = true]; // deprecated: always true
    optional bool EnableOlapSchemaOperations = 44 [default = true];
    optional bool EnableVPatch = 45 [default = true];
    optional bool EnableMvccSnapshotReads = 46 [default = true]; // deprecated: always true
    optional Tribool EnableMvcc = 47 [default = VALUE_TRUE]; // deprecated: always true
    optional bool EnableSchemeTransactionsAtSchemeShard = 48 [default = true];
    optional bool EnableArrowFormatAtDatashard = 49 [default = false];
    optional bool Enable3x3RequestsForMirror3DCMinLatencyPut = 50 [default = false];
    optional bool EnableBackgroundCompaction = 51 [default = true];
    optional bool EnableArrowFormatInChannels = 52 [default = false];
    optional bool EnableBackgroundCompactionServerless = 53 [default = false];
    optional bool EnableNotNullColumns = 54 [default = true];
    optional bool EnableTtlOnAsyncIndexedTables = 55 [default = true]; // deprecated: always true
    optional bool EnableBulkUpsertToAsyncIndexedTables = 56 [default = true];
    optional bool EnableNodeBrokerSingleDomainMode = 57 [default = true]; // deprecated: always true
    reserved 58; // optional bool EnableKqpSessionActor = 58 [default = true];
    // Dangerous settings we don't want in the public api unless required
    optional bool EnablePublicApiExternalBlobs = 59 [default = false];
    optional bool EnablePublicApiKeepInMemory = 60 [default = false];
    reserved 61;
    // optional bool EnableImplicitScanQueryInScripts = 61 [default = true];
    reserved 62; // EnablePredicateExtractForScanQueries
    optional bool AllowVDiskDefrag = 63 [default = true];
    optional bool EnableAsyncHttpMon = 64 [default = true]; // deprecated: always true
    optional bool EnableChangefeeds = 65 [default = true];
    reserved 66; // EnableKqpScanQueryStreamLookup
    optional bool EnableKqpScanQueryMultipleOlapShardsReads = 67 [default = false];
    reserved 68; // EnablePredicateExtractForDataQueries;
    reserved 69; // optional bool EnableKqpPatternCacheLiteral = 69 [default = false];
    optional bool EnableMoveIndex = 70 [default = true];
    // enable http handle for self termination
    optional bool EnableFailureInjectionTermination = 71 [default = false];
    optional bool EnableChunkLocking = 72 [default = false];
    optional bool EnableNotNullDataColumns = 73 [default = true];
    optional bool EnableGrpcAudit = 74 [default = false];
    reserved 75; // EnableKqpDataQueryStreamLookup
    optional bool EnableBorrowedSplitCompaction = 76 [default = true];
    optional bool EnableChangefeedInitialScan = 77 [default = true];
    reserved 78; // EnableKqpScanQuerySourceRead
    optional bool EnableDynamicNodeAuthorization = 79 [default = false];
    reserved 80; // EnableKqpImmediateEffect
    optional bool EnableDataShardGenericReadSets = 81 [default = false];
    // enable alter database operation to create subdomain's system tablets
    // directly in subdomain's hive
    optional bool EnableAlterDatabaseCreateHiveFirst = 82 [default = true];
    reserved 83; // EnableKqpDataQuerySourceRead
    optional bool EnableSmallDiskOptimization = 84 [default = true];
    optional bool EnableDataShardVolatileTransactions = 85 [default = true];
    optional bool EnableTopicServiceTx = 86 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableLLVMCache = 87 [default = false];
    optional bool EnableExternalDataSources = 88 [default = true];
    optional bool EnableTopicDiskSubDomainQuota = 89 [default = true, (RequireRestart) = true];
    optional bool EnableSeparationComputeActorsFromRead = 90 [default = true];
    reserved 91; // EnablePQConfigTransactionsAtSchemeShard
    optional bool EnableScriptExecutionOperations = 92 [default = true];
    reserved 93; // EnableImplicitQueryParameterTypes
    optional bool EnableForceImmediateEffectsExecution = 94 [default = false];
    optional bool EnableTopicSplitMerge = 95 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableChangefeedDynamoDBStreamsFormat = 96 [default = true];
    optional bool ForceColumnTablesCompositeMarks = 97 [default = false];
    optional bool EnableSubscriptionsInDiscovery = 98 [default = true, (RequireRestart) = true];
    optional bool EnableGetNodeLabels = 99 [default = false];
    optional bool EnableTopicMessageMeta = 100 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableIcNodeCache = 101 [default = true, (RequireRestart) = true];
    optional bool EnableTempTables = 102 [default = true];
    optional bool SuppressCompatibilityCheck = 103 [default = false, (RequireRestart) = true];
    optional bool EnableUniqConstraint = 104 [default = true];
    optional bool EnableChangefeedDebeziumJsonFormat = 105 [default = true];
    optional bool EnableStatistics = 106 [default = true];
    optional bool EnableUuidAsPrimaryKey = 107 [default = true];
    optional bool EnableTablePgTypes = 108 [default = false];
    optional bool EnableLocalDBBtreeIndex = 109 [default = true];
    optional bool EnablePDiskHighHDDInFlight = 110 [default = false];
    reserved 111; // UseVDisksBalancing
    optional bool EnableViews = 112 [default = true];
    optional bool EnableServerlessExclusiveDynamicNodes = 113 [default = false];
    reserved 114; // EnableAccessServiceBulkAuthorization
    reserved "EnableAccessServiceBulkAuthorization";
    optional bool EnableAddColumsWithDefaults = 115 [default = true];
    optional bool EnableReplaceIfExistsForExternalEntities = 116 [ default = true];
    optional bool EnableCMSRequestPriorities = 117 [default = true];
    optional bool EnableKeyvalueLogBatching = 118 [default = false];
    optional bool EnableLocalDBFlatIndex = 119 [default = true];
    optional bool ExtendedVDiskCounters = 120 [default = true, (RequireRestart) = true];
    optional bool ExtendedPDiskSensors = 121 [default = true, (RequireRestart) = true];
    optional bool EnableStableNodeNames = 122 [default = false];
    optional bool EnableBackupService = 123 [default = true];
    optional bool EnableVolatileTransactionArbiters = 124 [default = true];
    optional bool EnableGraphShard = 125 [default = false];
    optional bool EnableExternalSourceSchemaInference = 126 [default = true];
    optional bool EnableDbMetadataCache = 127 [default = false];
    optional bool EnableTableDatetime64 = 128 [default = true];
    optional bool EnableResourcePools = 129 [default = true];
    optional bool EnableColumnStatistics = 130 [default = true];
    optional bool EnableSingleCompositeActionGroup = 131 [default = false];
    optional bool EnableResourcePoolsOnServerless = 132 [default = false];
    optional bool EnableVectorIndex = 133 [default = true];
    optional bool EnableChangefeedsOnIndexTables = 134 [default = true];
    optional bool EnableResourcePoolsCounters = 135 [default = false];
    optional bool EnableOptionalColumnsInColumnShard = 136 [default = false];
    optional bool EnableGranularTimecast = 137 [default = true];
    optional bool EnableAlterShardingInColumnShard = 138 [default = false];
    reserved 139; // EnablePgSyntax
    reserved "EnablePgSyntax";
    optional bool EnableTieringInColumnShard = 140 [default = false];
    optional bool EnableMetadataObjectsOnServerless = 141 [default = true];
    optional bool EnableOlapCompression = 142 [default = true];
    optional bool EnableExternalDataSourcesOnServerless = 143 [default = true];
    optional bool EnableSparsedColumns = 144 [default = false];
    optional bool EnableParameterizedDecimal = 145 [default = true];
    optional bool EnableImmediateWritingOnBulkUpsert = 146 [default = true, deprecated = true];
    optional bool EnableInsertWriteIdSpecialColumnCompatibility = 147 [default = false];
    optional bool EnableTopicAutopartitioningForCDC = 148 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableWritePortionsOnInsert = 149 [default = true, deprecated = true];
    optional bool EnableFollowerStats = 150 [default = true];
    optional bool EnableTopicAutopartitioningForReplication = 151 [default = true];
    optional bool EnableDriveSerialsDiscovery = 152 [default = false];
    optional bool EnableSeparateDiskSpaceQuotas = 153 [default = false];
    reserved 154; // EnableAntlr4Parser
    optional bool EnableReleaseNodeNameOnGracefulShutdown = 155 [default = false];
    optional bool ForceDistconfDisable = 156 [default = false];
    optional bool EnableScaleRecommender = 157 [default = true];
    optional bool EnableVDiskThrottling = 158 [default = false];
    optional bool EnableDataShardInMemoryStateMigration = 159 [default = true];
    optional bool EnableDataShardInMemoryStateMigrationAcrossGenerations = 160 [default = true];
    optional bool DisableLocalDBEraseCache = 161 [default = false];
    optional bool EnableChecksumsExport = 162 [default = true];
    optional bool EnableTopicTransfer = 163 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableViewExport = 164 [default = true];
    optional bool EnableColumnStore = 165 [default = false];
    optional bool EnableStrictAclCheck = 166 [default = false];
    optional bool DatabaseYamlConfigAllowed = 167 [default = false];
    // deny non-administrators the privilege of administering local users and groups
    optional bool EnableStrictUserManagement = 168 [default = false];
    optional bool EnableDatabaseAdmin = 169 [default = false];
    optional bool EnableChangefeedsImport = 170 [default = true];
    optional bool EnablePermissionsExport = 171 [default = true];
    optional bool EnableDataErasure = 172 [default = false];
    optional bool EnableShowCreate = 173 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableChangefeedsExport = 174 [default = true];
    optional bool EnableKafkaNativeBalancing = 175 [default = true];
    optional bool EnableTabletRestartOnUnhandledExceptions = 176 [default = true];
    optional bool EnableKafkaTransactions = 177 [default = true];
    optional bool EnableLoginCache = 178 [default = false];
    optional bool SwitchToConfigV2 = 179 [default = false];
    optional bool SwitchToConfigV1 = 180 [default = false];
    // Implies EnableExportFiltering.
    optional bool EnableEncryptedExport = 181 [default = false];
    optional bool EnableAlterDatabase = 182 [default = false];
    optional bool EnableExportAutoDropping = 183 [default = true];
    optional bool EnableThrottlingReport = 184 [default = true];
    optional bool EnableNodeBrokerDeltaProtocol = 185 [default = true];
    optional bool EnableAccessToIndexImplTables = 186 [default = true];
    optional bool EnableAddUniqueIndex = 187 [default = true];
    optional bool EnableSharedMetadataAccessorCache = 188 [default = true, deprecated = true];
    reserved 189; // RequireDbPrefixInSecretName
    optional bool EnableSystemNamesProtection = 190 [default = false];
    optional bool EnableRealSystemViewPaths = 191 [default = true];
    optional bool EnableCSSchemasCollapsing = 192 [default = false];
    optional bool EnableMoveColumnTable = 193 [default = true];
    optional bool EnableArrowResultSetFormat = 194 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableCsOverloadsSubscriptionRetries = 195 [default = true];
    optional bool EnableTopicCompactificationByKey = 196 [default = true];
    optional bool EnableCompactionOverloadDetection = 197 [default = true];
    reserved 198; // DisableColumnShardBulkUpsertRequireAllColumns
    optional bool EnableDataShardWriteAlwaysVolatile = 199 [default = true];
    optional bool EnableMirroredTopicSplitMerge = 200 [default = true];
    optional bool EnableFulltextIndex = 201 [default = true];
    optional bool EnableSetColumnConstraint = 202 [default = true];
    optional bool EnableSchemaSecrets = 203 [default = true];
    optional bool EnableTableCacheModes = 204 [default = true];
    optional bool EnableSkipMessagesWithObsoleteTimestamp = 205 [default = true];
    optional bool EnableStreamingQueries = 206 [default = true];
    optional bool EnableTinyDisks = 207 [default = true];
    optional bool EnableMetricsLevel = 208 [default = true];
    optional bool EnableCompileCacheView = 209 [default = true];
    optional bool EnableSecureScriptExecutions = 210 [default = false];
    optional bool EnableColumnshardBool = 211 [default = true];
    optional bool EnableTopicMessageLevelParallelism = 212 [default = true];
    optional bool EnableOlapRejectProbability = 213 [default = true];
    optional bool EnablePDiskLogForSmallDisks = 214 [default = false];
    optional bool DisableMissingDefaultColumnsInBulkUpsert = 215 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableColumnTablesBackup = 216 [default = true];
    optional bool EnableReplication = 217 [default = true];
    optional bool EnableShuttingDownNodeState = 218 [default = true];
    optional bool EnableStreamingQueriesCounters = 219 [default = false];
    optional bool UseYdsTopicStorageMetering = 220 [default = false];
    optional bool EnableIndexMaterialization = 221 [default = false];
    optional bool EnableFsBackups = 222 [default = false];
    optional bool EnableCmsLocksPriority = 223 [default = true];
    optional bool EnableResourcePoolsScheduler = 224 [default = true]; // works only with EnableResourcePools = true
    reserved 225; // EnableTruncateTable
    optional bool EnableTopicsSqlIoOperations = 226 [default = true];
    optional bool EnableSysViewPermissionsExport = 227 [default = false];
    optional bool EnableCmsSmartAvailabilityMode = 228 [default = true];
    optional bool EnableConditionalEraseResponseBatching = 229 [default = false];
    optional bool EnablePDiskDataEncryption = 230 [default = true];
    optional bool EnableForcedCompactions = 231 [default = true];
    optional bool EnableLocalBloomFilterIndex = 232 [default = true];
    optional bool EnableLocalBloomNgramFilterIndex = 233 [default = true];
    optional bool EnableSetDropDefaultValue = 234 [default = true, deprecated = true]; // deprecated: always true
    optional bool EnableStreamingQueriesPqSinkDeduplication = 235 [default = false];
    optional bool EnableBlobIdInSectorChecksum = 236 [default = false];
    optional bool TransferInternalDataDecompression = 237 [default = false];
    optional bool EnableJsonIndex = 238 [default = true];
    optional bool EnableSQSMigrationTopicCreation = 239 [default = false];
    optional bool EnableSQSMigrationCompatibility = 240 [default = false];
    optional bool EnableSQSMigrationFinished = 241 [default = false];
    optional bool EnablePDiskSpaceColorOverride = 242 [default = false];
    optional bool EnableSkipConflictCheckForTopicsInTransaction = 243 [default = false];
    // Split protocol control.
    // Originally, schemeshard handled histogram sorting and split boundary selection.
    // These flags move that work to the datashard side:
    //
    // EnableDataShardSplitHistogramSorting - sort KeyAccessSample on datashard
    // EnableDataShardSplitKeySelection - select split boundaries on datashard
    //     using sorted key access histogram and data size histogram
    // EnableDataShardSplitHistogramOmission - stop sending KeyAccessSample
    //     and DataSizeHistogram in datashard stats
    //
    // Enabling a flag effectively enables all flags above it (HistogramSorting <- KeySelection <- HistogramOmission).
    optional bool EnableDataShardSplitHistogramSorting = 244 [default = true];
    optional bool EnableDataShardSplitKeySelection = 245 [default = true];
    optional bool EnableDataShardSplitHistogramOmission = 246 [default = true];
    optional bool EnableOnlineAddUniqueIndex = 247 [default = true];
    optional bool EnableSharedReadingInStreamingQueries = 248 [default = false];
    optional bool EnableCsDictionaryEncoding = 249 [default = true];
    optional bool EnableTopicPartitionSplitBasedOnKllSketch = 250 [default = false];
    reserved 251; // EnableOltpSinkForTopicOnlyTx
    optional bool EnableExternalDataSourceAuthMethodIam = 252 [default = false];
    optional bool EnableInterpileTrafficOptimization = 253 [default = false];
    optional bool EnableSnapshotsLocking = 254 [default = true];
    optional bool EnableTicketParserErrorBasedOnPeernameFormat = 255 [default = false];
    optional bool UseRealUserIpForBlackbox = 256 [default = false];
    optional bool EnableNodeShutdownHints = 257 [default = false];
    optional bool EnableTopicPartitionSplitBasedOnMessages = 258 [default = false];
    reserved 259; // ForbidDiscoveryInnerDbPaths
    optional bool EnableStreamingQueryDisposition = 260 [default = true];
    // Skip persisting partition rows that are not affected by a split/merge operation.
    optional bool EnableSplitMergePartialPersistence = 261 [default = true];
    optional bool EnableLocalMinMaxIndex = 262 [default = true];
    optional bool DisableOnlineRO = 263 [default = false];
    optional bool EnableUserAttributesInTopicQuery = 264 [default = true];
    optional bool EnableDqSourceStreamLookupJoinFullscan = 265 [default = false];
    optional bool EnableTopicsPredicatePushdown = 266 [default = true];
    optional bool EnableJsonIndexAutoSelect = 267 [default = true];
    optional bool ForbidRequestsToStaticNodesWithoutDatabase = 268 [default = true];
    optional bool EnableTabletDevUiSecurePath = 269 [default = false];
    optional bool EnableExtraSidsControlForHttpViewer = 270 [default = true];
    // Use TablePartitionsByShardIdx (keyed by ShardIdx) instead of TablePartitions
    // (keyed by positional index) for local tables.  When ON, split/merge writes only
    // O(k) rows (src+dst shards) instead of O(N) rows (all partitions after srcFirstIdx).
    optional bool EnableTablePartitionsFormatShardIdx = 271 [default = false];
    optional bool EnableTablePartitionsFormatShardIdxByDefault = 272 [default = false];
    optional bool EnableTablePartitionsFormatAutoConvert = 273 [default = false];
    optional bool EnableTopicMessagesBatching = 274 [default = false, (RequireRestart) = true];
    optional bool EnableTopicWriteOffsetDeltaInKeys = 275 [default = false, (RequireRestart) = true];
    optional bool EnableTablePartitionsConsistencyCheck = 276 [default = true];
    optional bool EnableKqpConstraintsTransformer = 277 [default = true];
    optional bool EnableLocalIndexAsSchemeObject = 278 [default = true];
    optional bool EnableDataShardDetailedMetrics = 279 [default = false];
    optional bool EnableCompactFulltextIndex = 280 [default = true];
    optional bool EnableVDiskWaitForRecoveryLogCutOnLocalSyncDataReplay = 281 [default = false];
    optional bool EnableFulltextIndexPrefix = 282 [default = true];
    optional bool EnableAccessServiceV2Interface = 283 [default = true, (RequireRestart) = true];
    optional bool EnableAnalyzeLongRunningOperation = 284 [default = true];
    optional bool EnableTopicRetentionDeleteLastBlob = 285 [default = false];
    optional bool EnableTopicDeferredPublish = 286 [default = false];
    optional bool EnableConfiguredBootstrapper = 287 [default = false, (RequireRestart) = true];
    optional bool EnableSmallBlobsQuotaEnforcement = 288 [default = true];
    // Guards using the synthetic __ydb_row_id column as doc_id for fulltext/JSON indexes over tables
    // whose primary key is not a single integer. When OFF, no __ydb_row_id column or its unique index
    // is used or auto-provisioned, and such indexes fall back to requiring a single integer primary key.
    optional bool EnableFulltextIndexRowId = 289 [default = true];
    optional bool EnableForcedColumnCompactions = 290 [default = true];
    optional bool EnableExportFiltering = 291 [default = false];
    optional bool EnableNodeBrokerLongLease = 292 [default = false];
    optional bool EnableExportInParquet = 293 [default = false];
    optional bool EnableCutHistory = 294 [default = false];
    optional bool DisableOldSecretCreation = 295 [default = false];
    optional bool EnableColumnshardInterval = 296 [default = true];
    optional bool EnableColumnshardUuid = 297 [default = true];
    optional bool EnableColumnshardDyNumber = 298 [default = true];
    optional bool EnableDataShardDirectPartImport = 299 [default = false];
    // For test purposes only, may cause persistent system failure if enabled
    optional bool BsControllerRestartBeforeCompatibilityInfoUpdate = 300 [default = false];
    optional bool EnableIdmPermissionsManagement = 301 [default = false];
    // Disables accumulating the SSD-system component of FileStore (filesystem) space into the
    // owning domain's allocated counter. FileStore shards are resized to the final filesystem
    // size (up to petabytes), with thousands of shards the per-domain ui64 counter can overflow.
    // RequireRestart: the in-memory counter is rebuilt from all FileStores at SchemeShard start,
    // the counter can be re-enabled, which requires restarting the SchemeShard tablet.
    optional bool DisableFileStoreSSDSystemSpaceAccounting = 302 [default = false, (RequireRestart) = true];
    optional bool EnableHasPredicatesInResourcePoolClassifiers = 303 [default = true];
    optional bool EnableRejectActionInResourcePoolClassifiers = 304 [default = true];
    optional bool EnableMoveWithColumnTableReplace = 305 [default = true];
    optional bool DisableOldSecrets = 306 [default = false];
    optional bool EnableKafkaServerlessTransactions = 307 [default = false];
    optional bool EnableGeneratedStored = 308 [default = false];
    optional bool EnableGeneratedVirtual = 309 [default = false];
    optional bool EnableTxIdInStats = 310 [default = false];
    optional bool EnableDqSourceStreamLookupJoinShuffleMode = 311 [default = false];
    optional bool EnableCsFlowControl = 312 [default = true];
    // Keys SourceId→Partition mapping by a unique topic Id (UUID) instead of the topic name,
    // so that deleting and recreating a topic with the same name does not inherit stale mappings.
    optional bool EnableTopicSourceIdMappingById = 313 [default = false];
    optional bool EnableSharedReadingStructuredJsonParsing = 314 [default = false];
    optional bool EnableExactlyOnceTopicsWriting = 315 [default = false];
    optional bool EnableUpdatingPartitionsOnStreamingQueryRestart = 316 [default = false];
    // Offloads TEvDataShard::TEvPeriodicTableStats parsing to a dedicated aux actor to reduce
    // SchemeShard's single-threaded load.
    optional bool EnablePeriodicTableStatsParseOffload = 317 [default = false];
    optional bool EnableTruncateColumnTable = 318 [default = false];
    optional bool EnableSuperLemmer = 319 [default = true];
    optional bool EnableImportInParquet = 320 [default = false];
    optional bool EnableS3Scheduling = 321 [default = false];
    optional bool EnableInsecureMirrorFactory = 322 [default = false];
    optional bool EnableDataShardUncommittedWriteSeqNum = 323 [default = true];
    // VDisk: allocate huge blobs (and small SSTs) as variable-size stripes instead of
    // size-class slots. Reads of the stripe format work even when this flag is off.
    optional bool EnableVDiskHeapAllocator = 324 [default = false, (RequireRestart) = true];
    optional bool EnableCheckpointsCompression = 325 [default = false];
    optional bool EnableDataShardLocksTransferOnSplit = 326 [default = false];
    optional bool EnableDqSourceStreamLookupJoinLocalLookups = 327 [default = false];
    optional bool EnableStreamingAggregation = 328 [default = true];
    optional bool EnableTableBackupAsSql = 329 [default = false];
    optional bool EnableRowDispatcherMemoryLimiting = 330 [default = true];
    // Judges a VDisk write by the space color the disk will be in once the Fresh
    // it holds has been compacted, rather than by the color it is in while the
    // write is still cheap.
    optional bool EnableVDiskFreshSpaceProjection = 331 [default = true, (RequireRestart) = true];
    // Creates the per-tenant WasmCompileController tablet for new and migrated
    // databases. Without it nothing compiles WASM modules to native code:
    // dinodes only ever compile what this tablet assigns them.
    optional bool EnableWasmCompileController = 332 [default = false];
    // PDisk chunk-space colors start at 3% free (cyan) on large disks, with
    // per-color minimum chunk floors so small disks keep a compaction runway.
    // Applied at PDisk start (Keeper.Reset). ICB PDisk_<id>_ChunkBaseLimitPerMille
    // still overrides the cyan permille; floors stay on while this flag is on.
    optional bool EnableTightPDiskSpaceColors = 333 [default = false, (RequireRestart) = true];
    optional bool CollectHourMetric = 334 [default = false];
    optional bool EnableStreamingQueryReadFrom = 335 [default = false];
    optional bool EnableIamDelegationSecrets = 336 [default = false]; // YDBFEATURES-144
    optional bool EnableStreamingQueryStateRecompute = 337 [default = false];
    // Enables CDC schema records for newly created asynchronous replication streams.
    // Existing streams retain their legacy data-only protocol.
    optional bool EnableAsyncReplicationSchemaChanges = 338 [default = false];
    optional bool EnableColumnshardMoveData = 339 [default = false];
    optional bool EnableColumnshardCutHistory = 340 [default = false];
    // Treats a block with generation Max<ui32>() (the complete tablet deletion tombstone written by
    // Hive) as enough to drop all the tablet's data and barrier records in VDisk and BlobDepot,
    // without waiting for the hard barrier that follows it. Turning it off after it has been on is
    // safe, but may leave some garbage of already deleted tablets until it is turned on again.
    optional bool EnableCollectByCompleteDeletionBlock = 341 [default = true, (RequireRestart) = true];
    optional bool EnableKqpRuntimeStats = 342 [default = false];
    // Under space pressure, lets PDisk choose which level compaction runs on the disk: one at a time, the one
    // that frees the most chunks, which then reserves exactly the chunks it will write before writing any.
    optional bool EnableVDiskPlannedCompaction = 343 [default = true, (RequireRestart) = true];
    optional bool EnableStreamingAggregationAdvanced = 344 [default = false];
    optional bool EnableTieringObjectKeyTree = 345 [default = false];
    // Bumps GROUP BY HOP state version to 3
    optional bool EnableHoppingWindowStartCheck = 346 [default = true];
    optional bool EnableBackgroundAnalyzeChangeRatio = 347 [default = true];
    optional bool EnableAnalyzeSampling = 348 [default = true];
    // Applies to new processes; existing processes keep their scheduling mode.
    optional bool EnableCompositeConveyorScheduling = 349 [default = false];
    optional bool EnableCsIndexReadMemoryTracking = 350 [default = false];
    // Creates asynchronous indexes on newly created asynchronous replication destinations.
    optional bool EnableAsyncIndexReplication = 351 [default = false];
    optional bool EnableDatabaseAccessCheckForHttpMonitoring = 352 [default = false];
    optional bool EnableLocalDBBtreeIndexV2 = 353 [default = false];
    // Only a leading '/' makes a client path absolute. Otherwise prepend the
    // cluster root for database names, or the database for schema-object paths.
    optional bool EnableRelativePaths = 354 [default = false];
    optional bool EnableKillSession = 355 [default = false];
    // Enables SAVEPOINT, ROLLBACK TO SAVEPOINT and RELEASE SAVEPOINT in interactive transactions.
    optional bool EnableSavepoints = 356 [default = false];
    optional bool EnablePqSourceRescaling = 357 [default = false];
    optional bool EnableStreamingQueryTopicAutopartitioning = 358 [default = true];
    optional bool EnableQYT = 359 [default = false]; //YT queues (QYT) in federated and streaming queries
    // Enables memory of table partitions split/merge demands
    optional bool EnableSplitMergeDemandTracking = 360 [default = false];
    optional bool EnableStreamingQuerySchemeOperations = 361 [default = true];
}