Manual:$wgDebugLogGroups

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デバッグ: $wgDebugLogGroups
特定のグループの wfDebugLog() の出力先を $wgDebugLogFile 以外のファイルに変更する。
導入されたバージョン:1.5.0 (r10598)
除去されたバージョン:使用中
許容される値:(記録グループ キーからファイル名への連想配列)
既定値:[]

詳細

記録グループ キーからファイル名への連想配列を設定します。 If set, wfDebugLog() output for that group will go to that file instead of the regular $wgDebugLogFile . Useful for enabling selective logging in production.

If a group is configured in $wgDebugLogGroups, then all debug messages with the according group key will be logged to that file, also if $wgDebugLogFile is not set! With other words: If a group key is configured in $wgDebugLogGroups, messages will be written, even if an empty value of $wgDebugLogFile generally disables debugging.

Log destinations may be one of the following:

  • false to completely remove from the output, including from $wgDebugLogFile.
  • string values specifying a filename or URI.
  • associative array with keys:
    • destination - desired filename or URI.
    • sample - an integer value, specifying a sampling factor (optional)
    • level - A \Psr\Log\LogLevel constant, indicating the minimum log level (optional, since 1.25)

When $wgMWLoggerDefaultSpi is set to a non-default value, $wgDebugLogGroups will probably be ignored, and the method of configuring log files will be determined by whatever logging system is invoked by $wgMWLoggerDefaultSpi.

この例では、グループ「ConfirmEditExtension」のデバッグ メッセージは「debug-ext_confirmedit.log」に、「SpamRegex」のデバッグ メッセージは「debug-spam.log」に、それぞれ出力されます。

$wgDebugLogGroups = [
	'ConfirmEditExtension'	=> $IP . '/../../home/debug-ext_confirmedit.log',
	'SpamRegex'		=> $IP . '/../../home/debug-spam.log',
];

例:

$wgDebugLogGroups['redis'] = '/var/log/mediawiki/redis.log';

高度な例:

 $wgDebugLogGroups['memcached'] = [
     'destination' => '/var/log/mediawiki/memcached.log',
     'sample' => 1000,  // log 1 message out of every 1,000.
     'level' => \Psr\Log\LogLevel::WARNING,
 ];
 $wgDebugLogGroups['redis'] = [
     'destination' => '/var/log/mediawiki/redis.log',
     // Level can also be the literal string value of any Psr\Log\LogLevel constant
     'level' => 'info',
 ];
Multiple log groups in a single file
You might want to setup a temporary configuration like the following to see all authentication related logging to trouble-shoot authentication.
$wgDebugLogGroups['cookie'] =
	$wgDebugLogGroups['session'] =
	$wgDebugLogGroups['SimpleSAMLphp'] =
	$wgDebugLogGroups['PluggableAuth'] = "$IP/cache/PluggableAuth.log";


Some common debug log groups

  • exception, error, fatal - errors
  • deprecated - deprecation warnings
  • objectcache, caches, memcached/SQLBagOStuff - キャッシュ
  • rdbms - database (including, if $wgDebugDumpSql is set, all DB queries)
  • cookie - response cookies
  • exec - shell commands
  • session - SessionManager
  • authentication, login - AuthManager
  • ratelimit, throttler - hitting rate limits ($wgRateLimits and other)
  • resourceloader, ResourceLoaderImage - ResourceLoader
  • http, HttpError - HTTP requests to external services (via the Http/MwHttpRequest classes)
  • api - API
  • thumbnail, fileupload, fileconcatenate - image-related
  • runJobs - ジョブ キュー
  • parser, ParserCache - パーサー
  • slow-parse - warnings about pages that take long to parse

Other debug log groups

  • squid
  • localisation
  • gitinfo
  • UserOptionsManager
  • Mime
  • OldRevisionImporter
  • MessageCache
  • GlobalTitleFail
  • DeferredUpdates
  • ContentHandler
  • BlockManager
  • MediaHandlerFactory