[jira] [Commented] (FLINK-12380) Add thread name in the log4j.properties

["Andrey Zagrebin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-12380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837113#comment-16837113 ] 

Andrey Zagrebin commented on FLINK-12380:
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[~yunta] The thread name can be quite long and explode/clutter the log enrtries and size if we enable it by default in log4j.properties. Users can always do it by themselves if needed by providing their own log4j.properties and overwriting the default one. What do you think? If you agree, could you close the issue?

> Add thread name in the log4j.properties
> ---------------------------------------
>
>                 Key: FLINK-12380
>                 URL: https://issues.apache.org/jira/browse/FLINK-12380
>             Project: Flink
>          Issue Type: Improvement
>          Components: Build System
>            Reporter: Yun Tang
>            Assignee: Yun Tang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> This is inspired by FLINK-12368 when users want to add sub-task index information in the source code. We could add thread name, which already contains sub-task index information, in the logs to avoid have to change the source code.
> Moreover, I found existing {{logback.xml}} in Flink already contains {{thread name}} information. We should also add this in the {{log4j.properties.}}



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