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/**
* Copyright (C) 2018-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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kStorage
#include "mongo/platform/basic.h"
#include "mongo/base/status.h"
#include "mongo/db/storage/wiredtiger/wiredtiger_global_options.h"
#include "mongo/db/storage/wiredtiger/wiredtiger_record_store.h"
#include "mongo/util/log.h"
#include "mongo/util/options_parser/constraints.h"
namespace mongo {
WiredTigerGlobalOptions wiredTigerGlobalOptions;
Status WiredTigerGlobalOptions::add(moe::OptionSection* options) {
moe::OptionSection wiredTigerOptions("WiredTiger options");
// WiredTiger storage engine options
wiredTigerOptions.addOptionChaining("storage.wiredTiger.engineConfig.cacheSizeGB",
"wiredTigerCacheSizeGB",
moe::Double,
"maximum amount of memory to allocate for cache; "
"defaults to 1/2 of physical RAM");
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.engineConfig.statisticsLogDelaySecs",
"wiredTigerStatisticsLogDelaySecs",
moe::Int,
"seconds to wait between each write to a statistics file in the dbpath; "
"0 means do not log statistics")
// FTDC supercedes WiredTiger's statistics logging.
.hidden()
.validRange(0, 100000)
.setDefault(moe::Value(0));
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.engineConfig.journalCompressor",
"wiredTigerJournalCompressor",
moe::String,
"use a compressor for log records [none|snappy|zlib]")
.format("(:?none)|(:?snappy)|(:?zlib)", "(none/snappy/zlib)")
.setDefault(moe::Value(std::string("snappy")));
wiredTigerOptions.addOptionChaining("storage.wiredTiger.engineConfig.directoryForIndexes",
"wiredTigerDirectoryForIndexes",
moe::Switch,
"Put indexes and data in different directories");
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.engineConfig.configString",
"wiredTigerEngineConfigString",
moe::String,
"WiredTiger storage engine custom "
"configuration settings")
.hidden();
// WiredTiger collection options
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.collectionConfig.blockCompressor",
"wiredTigerCollectionBlockCompressor",
moe::String,
"block compression algorithm for collection data "
"[none|snappy|zlib]")
.format("(:?none)|(:?snappy)|(:?zlib)", "(none/snappy/zlib)")
.setDefault(moe::Value(std::string("snappy")));
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.collectionConfig.configString",
"wiredTigerCollectionConfigString",
moe::String,
"WiredTiger custom collection configuration settings")
.hidden();
// WiredTiger index options
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.indexConfig.prefixCompression",
"wiredTigerIndexPrefixCompression",
moe::Bool,
"use prefix compression on row-store leaf pages")
.setDefault(moe::Value(true));
wiredTigerOptions
.addOptionChaining("storage.wiredTiger.indexConfig.configString",
"wiredTigerIndexConfigString",
moe::String,
"WiredTiger custom index configuration settings")
.hidden();
return options->addSection(wiredTigerOptions);
}
Status WiredTigerGlobalOptions::store(const moe::Environment& params,
const std::vector<std::string>& args) {
// WiredTiger storage engine options
if (params.count("storage.wiredTiger.engineConfig.cacheSizeGB")) {
wiredTigerGlobalOptions.cacheSizeGB =
params["storage.wiredTiger.engineConfig.cacheSizeGB"].as<double>();
}
if (params.count("storage.syncPeriodSecs")) {
wiredTigerGlobalOptions.checkpointDelaySecs =
static_cast<size_t>(params["storage.syncPeriodSecs"].as<double>());
}
if (params.count("storage.wiredTiger.engineConfig.statisticsLogDelaySecs")) {
wiredTigerGlobalOptions.statisticsLogDelaySecs =
params["storage.wiredTiger.engineConfig.statisticsLogDelaySecs"].as<int>();
}
if (params.count("storage.wiredTiger.engineConfig.journalCompressor")) {
wiredTigerGlobalOptions.journalCompressor =
params["storage.wiredTiger.engineConfig.journalCompressor"].as<std::string>();
}
if (params.count("storage.wiredTiger.engineConfig.directoryForIndexes")) {
wiredTigerGlobalOptions.directoryForIndexes =
params["storage.wiredTiger.engineConfig.directoryForIndexes"].as<bool>();
}
if (params.count("storage.wiredTiger.engineConfig.configString")) {
wiredTigerGlobalOptions.engineConfig =
params["storage.wiredTiger.engineConfig.configString"].as<std::string>();
log() << "Engine custom option: " << wiredTigerGlobalOptions.engineConfig;
}
// WiredTiger collection options
if (params.count("storage.wiredTiger.collectionConfig.blockCompressor")) {
wiredTigerGlobalOptions.collectionBlockCompressor =
params["storage.wiredTiger.collectionConfig.blockCompressor"].as<std::string>();
}
if (params.count("storage.wiredTiger.collectionConfig.configString")) {
wiredTigerGlobalOptions.collectionConfig =
params["storage.wiredTiger.collectionConfig.configString"].as<std::string>();
log() << "Collection custom option: " << wiredTigerGlobalOptions.collectionConfig;
}
// WiredTiger index options
if (params.count("storage.wiredTiger.indexConfig.prefixCompression")) {
wiredTigerGlobalOptions.useIndexPrefixCompression =
params["storage.wiredTiger.indexConfig.prefixCompression"].as<bool>();
}
if (params.count("storage.wiredTiger.indexConfig.configString")) {
wiredTigerGlobalOptions.indexConfig =
params["storage.wiredTiger.indexConfig.configString"].as<std::string>();
log() << "Index custom option: " << wiredTigerGlobalOptions.indexConfig;
}
return Status::OK();
}
} // namespace mongo
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