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Code Issues Releases Activity

SERVER-56508 Ability to customise Zstandard compression level

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SERVER-56508 Ability to customise Zstandard compression level
This commit is contained in:
Monica Ng 2021-05-12 05:07:52 +00:00 committed by Evergreen Agent
parent e1abfabc5a
commit 310b02cfa3
3 changed files with 12 additions and 0 deletions
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1
src/mongo/db/storage/wiredtiger/wiredtiger_global_options.h
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@ -51,6 +51,7 @@ public:
double cacheSizeGB;
size_t statisticsLogDelaySecs;
std::string journalCompressor;
int zstdCompressorLevel;
bool directoryForIndexes;
double maxCacheOverflowFileSizeGBDeprecated;
std::string engineConfig;

9
src/mongo/db/storage/wiredtiger/wiredtiger_global_options.idl
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@ -59,6 +59,15 @@ configs:
gte: 0
lte: 100000
default: 0
"storage.wiredTiger.engineConfig.zstdCompressionLevel":
description: 'Default compression level for zstandard compressor'
arg_vartype: Int
cpp_varname: 'wiredTigerGlobalOptions.zstdCompressorLevel'
short_name: zstdDefaultCompressionLevel
validator:
gte: -5
lte: 22
default: 6
"storage.wiredTiger.engineConfig.journalCompressor":
description: 'Use a compressor for log records [none|snappy|zlib|zstd]'
arg_vartype: String

2
src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp
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@ -364,6 +364,8 @@ WiredTigerKVEngine::WiredTigerKVEngine(const std::string& canonicalName,
ss << "log=(enabled=true,archive=" << (_readOnly ? "false" : "true")
<< ",path=journal,compressor=";
ss << wiredTigerGlobalOptions.journalCompressor << "),";
ss << "builtin_extension_config=(zstd=(compression_level="
<< wiredTigerGlobalOptions.zstdCompressorLevel << ")),";
ss << "file_manager=(close_idle_time=" << gWiredTigerFileHandleCloseIdleTime
<< ",close_scan_interval=" << gWiredTigerFileHandleCloseScanInterval
<< ",close_handle_minimum=" << gWiredTigerFileHandleCloseMinimum << "),";