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https://issues.apache.org/jira/browse/FLINK-12090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16813025#comment-16813025
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vinoyang commented on FLINK-12090:
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[~pengyang] Flink uses log4j and logback as the under level log framework. You 
can configure the rolling strategy which these frameworks provide such as 
rolling by size/date in the configuration file. About the visual on Flink web 
UI, we have done some improvements. You can have a look at FLINK-11782. What do 
you think?

> Can the log on the Apache Flink Dashboard be partitioned by day?
> ----------------------------------------------------------------
>
>                 Key: FLINK-12090
>                 URL: https://issues.apache.org/jira/browse/FLINK-12090
>             Project: Flink
>          Issue Type: Improvement
>    Affects Versions: 1.7.2
>            Reporter: 彭洋
>            Priority: Major
>
> The flink job is always executed by the real-time task, so its taskmanager 
> log and jobmanager log will be larger and larger. It will be very 
> inconvenient to view on the flink webui. The loading is very slow, and the 
> log can be partitioned according to the day. Or you can set the maximum 
> retention time of the log, only keep the logs of the last few days, so it is 
> more convenient to view the log, and there is another point, can you output 
> gc information to the log?



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