'log' => [
    'traceLevel' => YII_DEBUG ? 3 : 0,
    'targets' => [
        [
            'class' => 'yii\log\FileTarget',
            'levels' => ['error', 'warning', 'info'],
        ],
        'sync' => [
            'class' => 'yii\log\FileTarget',
            'levels' => ['error', 'warning'],
            'logFile' => '@runtime/logs/sync.log',
            'exportInterval' => YII_DEBUG ? 1 : 100,
            'maxLogFiles' => 100,
            'categories' => ['common\user\*'],
            'logVars' => []
        ],
        'requests' => [
            'class' => 'yii\log\FileTarget',
            'levels' => ['info'],
            'logFile' => '@runtime/logs/requests.log',
            'exportInterval' => YII_DEBUG ? 1 : 100,
            'maxLogFiles' => 100,
            //'categories' => ['common\user\*'],
            'logVars' => []
        ]
    ],
],