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https://issues.apache.org/jira/browse/KYLIN-5263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17605544#comment-17605544
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liyang commented on KYLIN-5263:
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有没有办法评估一下换成 logback 能提升多少？
any estimate of the improvement after change to logback?
> replace log4j with logback
> --------------------------
>
> Key: KYLIN-5263
> URL: https://issues.apache.org/jira/browse/KYLIN-5263
> Project: Kylin
> Issue Type: Improvement
> Components: Query Engine
> Affects Versions: v4.0.1
> Reporter: zhaoliu
> Priority: Minor
> Attachments: screenshot-1.png
>
>
> 在查询并发高的时候，发现线程会阻塞在日志打印处，可以使用更高效的logback替换当前的log4j.
> !screenshot-1.png!
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