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https://issues.apache.org/jira/browse/HIVE-17477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16437182#comment-16437182
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Bohdan Chupika commented on HIVE-17477:
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HIVE-17477.2.patch fixed checkstyle
> PidFilePatternConverter not rolling log according to their pid
> ---------------------------------------------------------------
>
> Key: HIVE-17477
> URL: https://issues.apache.org/jira/browse/HIVE-17477
> Project: Hive
> Issue Type: Bug
> Components: Logging
> Reporter: Vlad Gudikov
> Assignee: Bohdan Chupika
> Priority: Major
> Attachments: HIVE-17477.1.patch, HIVE-17477.2.patch
>
>
> We can use pid in th filePattern:
> appender.DRFA.filePattern =
> ${sys:hive.log.dir}/${sys:hive.log.file}.%d{yyyy-MM-dd}.%pid
> But when its time roll the logs at the end of the RollingAppender just
> renames hive.log by applying the pattern described above and keeps logs that
> are not related to the process this log was named by. The issue is that all
> processes are writing to the same log and we cannot separate them by pid.
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