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# File containing feature flags for sharding features

global:
    cpp_namespace: "mongo"

feature_flags:
  featureFlagGlobalIndexesShardingCatalog:
    description: "Feature flag for enabling sharding catalog features for global indexes"
    cpp_varname: feature_flags::gGlobalIndexesShardingCatalog
    default: false
  featureFlagRangeDeleterService:
    description: "Feature flag protecting instantiation and usages of the range deleter service"
    cpp_varname: feature_flags::gRangeDeleterService
    default: true
    version: 6.2
  featureFlagCollModCoordinatorV3:
    description: "Feature for enabling new coll mod coordinator v3"
    cpp_varname: feature_flags::gCollModCoordinatorV3
    default: true
    version: 6.1
  featureFlagCreateCollectionCoordinatorV3:
    description: "Feature for enabling new createCollection coordinator v3"
    cpp_varname: feature_flags::gCreateCollectionCoordinatorV3
    default: true
    version: 6.2
  # TODO SERVER-68217 remove once 7.0 becomes last LTS
  featureFlagHistoricalPlacementShardingCatalog:
    description: "Feature flag for enabling the storage and access to historical placement data at shards granularity through the Sharding Catalog"
    cpp_varname: feature_flags::gHistoricalPlacementShardingCatalog
    default: true
    version: 7.0
  featureFlagImplicitDDLTimeseriesNssTranslation:
    description: "When enabled, the logic to evaluate whether a DDL is targeting a Timeseries operation
                  will always be executed by the DDL Coordinator (VS doing the evaluation when the command is received by the primary shard).
                  The feature increases causal consistency guarantees, but  it is not backwards-compatible"
    cpp_varname: feature_flags::gImplicitDDLTimeseriesNssTranslation
    default: true
    version: 6.1
  featureFlagConcurrencyInChunkMigration:
    description: "Feature flag for enabling concurrency within a chunk migration"
    cpp_varname: feature_flags::gConcurrencyInChunkMigration
    default: true
    version: 6.3
  featureFlagStopUsingConfigVersion:
  # TODO SERVER-68889 remove once 7.0 becomes last LTS
    description: "Stop using deprecated config version fields to check metadata compatibility between different version"
    cpp_varname: feature_flags::gStopUsingConfigVersion
    default: true
    version: 6.2
  featureFlagAutoMerger:
    description: "Feature flag for enabling auto-merging of contiguous chunks belonging to the same shard"
    cpp_varname: feature_flags::gAutoMerger
    default: true
    version: 7.0
  # TODO (SERVER-70396): Remove once 7.0 becomes last LTS
  featureFlagCheckMetadataConsistency:
    description: "Feature flag for checking metadata consistency in the cluster, database or collection"
    cpp_varname: feature_flags::gCheckMetadataConsistency
    default: true
    version: 7.0
  # TODO SERVER-73627: Remove once 7.0 becomes last LTS.
  featureFlagDropCollectionHoldingCriticalSection:
    description: "Feature flag for enabling the new implementation of the dropCollection DDL operation."
    cpp_varname: feature_flags::gDropCollectionHoldingCriticalSection
    default: true
    version: 7.0
  featureFlagCheckForDirectShardOperations:
    description: "Feature flag for checking for direct shard operations."
    cpp_varname: feature_flags::gCheckForDirectShardOperations
    default: false
  featureFlagClusterCardinalityParameter:
    description: "Feature flag for enabling the cluster parameter tracking cluster cardinality."
    cpp_varname: feature_flags::gClusterCardinalityParameter
    default: true
    version: 7.0