# Copyright (C) 2019-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"
    mod_visibility: public

server_parameters:
    maxOplogTruncationPointsAfterStartup:
        description: "Maximum allowable number of oplog truncation points after startup has finished"
        set_at: [startup, runtime]
        cpp_vartype: "long long"
        cpp_varname: gMaxOplogTruncateMarkersAfterStartup
        default: 100
        validator: {gt: 0}
        redact: false

    maxOplogTruncationPointsDuringStartup:
        description: "Maximum allowable number of oplog truncation points during startup"
        set_at: [startup]
        cpp_vartype: "long long"
        cpp_varname: gMaxOplogTruncateMarkersDuringStartup
        default: 100
        validator: {gt: 0}
        redact: false

    minOplogTruncationPoints:
        description: "Minimum allowable number of oplog truncation points"
        set_at: [startup, runtime]
        cpp_vartype: "long long"
        cpp_varname: gMinOplogTruncateMarkers
        default: 10
        validator: {gt: 0}
        redact: false

    oplogTruncationPointSizeMB:
        description: "Oplog truncation point size in MB used to determine the number of oplog truncation points for an oplog of a given size. The size will be rounded up to the maximum size of an internal BSON object."
        set_at: [startup, runtime]
        cpp_vartype: "int"
        cpp_varname: gOplogTruncateMarkerSizeMB
        default: 0
        validator: {gte: 0}
        redact: false

    oplogTruncationCheckPeriodSeconds:
        description: "The number of seconds the oplog truncation thread wakes up periodically to check and truncate oplog."
        set_at: [startup, runtime]
        cpp_vartype: "int"
        cpp_varname: gOplogTruncationCheckPeriodSeconds
        default: 300
        validator: {gt: 300}
        redact: false

    oplogSamplingAsyncEnabled:
        description: "Whether or not oplog sampling is running asynchronously to startup."
        set_at: [startup]
        cpp_vartype: "bool"
        cpp_varname: gOplogSamplingAsyncEnabled
        default: true
        redact: false

    oplogSamplingAsyncYieldIntervalMs:
        description: "Period of time to wait between yielding during oplog sampling. -1 is a special value that disables yielding."
        set_at: [startup]
        cpp_vartype: "int"
        cpp_varname: gOplogSamplingAsyncYieldIntervalMs
        default: 100
        validator: {gte: -1}
        redact: false