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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.
#
global:
cpp_namespace: "mongo"
cpp_includes:
- "mongo/db/change_streams_cluster_parameter.h"
imports:
- "mongo/db/basic_types.idl"
- "mongo/idl/cluster_server_parameter.idl"
structs:
ChangeStreamsClusterParameterStorage:
description: "A specification for the 'changeStreams' cluster-wide configuration parameter
type."
inline_chained_structs: true
chained_structs:
ClusterServerParameter: clusterServerParameter
fields:
expireAfterSeconds:
description: "The number of seconds to retain the change events. This value will be a
non-zero positive value if the change stream is enabled and a zero value if the change
stream is disabled."
type: safeInt64
default: 60 * 60
server_parameters:
changeStreams:
description: "The cluster-wide configuration parameter for the change stream in the serverless."
set_at: cluster
cpp_vartype: ChangeStreamsClusterParameterStorage
cpp_varname: gChangeStreamsClusterParameter
validator:
callback: validateChangeStreamsClusterParameter
condition:
min_fcv: 6.2
changeCollectionExpiredDocumentsRemoverJobSleepSeconds:
description: "Specifies the number of seconds for which the periodic change collection remover job will sleep between each cycle."
set_at: [ startup ]
cpp_vartype: AtomicWord<int>
cpp_varname: "gChangeCollectionExpiredDocumentsRemoverJobSleepSeconds"
validator:
gte: 1
default: 10
changeCollectionTruncateMarkersMinBytes:
description: "Server parameter that specifies the minimum number of bytes contained in each
truncate marker for change collections. This is only used if
featureFlagUseUnreplicatedTruncatesForDeletions is enabled"
set_at: startup
cpp_varname: gChangeCollectionTruncateMarkersMinBytes
cpp_vartype: int32_t
default: 33_554_432 # 32 MiB
validator:
gt: 0
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