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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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.
*/
#pragma once
#include <cstdint>
#include "mongo/util/time_support.h"
namespace mongo {
/**
* Configuration settings for full-time diagnostic data capture (FTDC).
*
* These settings are configurable by the user at startup & runtime via setParameter.
*/
struct FTDCConfig {
FTDCConfig()
: enabled(kEnabledDefault),
maxDirectorySizeBytes(kMaxDirectorySizeBytesDefault),
maxFileSizeBytes(kMaxFileSizeBytesDefault),
period(kPeriodMillisDefault),
maxSamplesPerArchiveMetricChunk(kMaxSamplesPerArchiveMetricChunkDefault),
maxSamplesPerInterimMetricChunk(kMaxSamplesPerInterimMetricChunkDefault) {}
/**
* True if FTDC is collecting data. False otherwise
*/
bool enabled;
/**
* Max Size of all FTDC files. If the total file size is > maxDirectorySizeBytes by summing up
* all files in the FTDC directory, the extra files are removed.
*/
std::uint64_t maxDirectorySizeBytes;
/**
* Max size of a file in bytes.
*/
std::uint64_t maxFileSizeBytes;
/**
* Period at which to run FTDC.
*
* FTDC is always run at the beginning at the period, and skips periods if the collector runs
* for more then a single period.
*/
Milliseconds period;
/**
* Maximum number of samples to collect in an archive metric chunk for long term storage.
*/
std::uint32_t maxSamplesPerArchiveMetricChunk;
/**
* Maximum number of samples to collect in an interim metric chunk in case the process
* terminates.
*/
std::uint32_t maxSamplesPerInterimMetricChunk;
static const bool kEnabledDefault = true;
static const std::uint64_t kPeriodMillisDefault;
static const std::uint64_t kMaxDirectorySizeBytesDefault = 100 * 1024 * 1024;
static const std::uint64_t kMaxFileSizeBytesDefault = 10 * 1024 * 1024;
static const std::uint64_t kMaxFileUniqifier = 65000;
static const std::uint32_t kMaxSamplesPerArchiveMetricChunkDefault = 300;
static const std::uint32_t kMaxSamplesPerInterimMetricChunkDefault = 10;
};
} // namespace mongo
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