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# Copyright(C) 2022 - present MongoDB, Inc.
#
# This program is free software : you can redistribute it and / or modify
# it under the terms of the Server Side Public License, version 1,
# as published by MongoDB, Inc.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
# Server Side Public License for more details.
#
# You should have received a copy of the Server Side Public License
# along with this program.If not, see
# < http://www.mongodb.com/licensing/server-side-public-license>.
#
# As a special exception, the copyright holders give permission to link the
# code of portions of this program with the OpenSSL library under certain
# conditions as described in each individual source file and distribute
# linked combinations including the program with the OpenSSL library.You
# must comply with the Server Side Public License in all respects for
# all of the code used other than as permitted herein.If you modify file(s)
# with this exception, you may extend this exception to your version of the
# file(s), but you are not obligated to do so.If you do not wish to do so,
# delete this exception statement from your version.If you delete this
# exception statement from all source files in the program, then also delete
# it in the license file.
#
# 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
shouldBeFCVGated: true
featureFlagCollModCoordinatorV3:
description: "Feature for enabling new coll mod coordinator v3"
cpp_varname: feature_flags::gCollModCoordinatorV3
default: true
version: 6.1
shouldBeFCVGated: true
featureFlagCreateCollectionCoordinatorV3:
description: "Feature for enabling new createCollection coordinator v3"
cpp_varname: feature_flags::gCreateCollectionCoordinatorV3
default: true
version: 6.2
shouldBeFCVGated: true
# 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
shouldBeFCVGated: true
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
shouldBeFCVGated: true
featureFlagConcurrencyInChunkMigration:
description: "Feature flag for enabling concurrency within a chunk migration"
cpp_varname: feature_flags::gConcurrencyInChunkMigration
default: true
version: 6.3
shouldBeFCVGated: true
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
shouldBeFCVGated: true
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
shouldBeFCVGated: true
# 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
shouldBeFCVGated: true
# 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
shouldBeFCVGated: true
featureFlagCheckForDirectShardOperations:
description: "Feature flag for checking for direct shard operations."
cpp_varname: feature_flags::gCheckForDirectShardOperations
default: true
version: 7.1
shouldBeFCVGated: true
featureFlagClusterCardinalityParameter:
description: "Feature flag for enabling the cluster parameter tracking cluster cardinality."
cpp_varname: feature_flags::gClusterCardinalityParameter
default: true
version: 7.0
shouldBeFCVGated: true
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