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Posted to issues@hive.apache.org by "László Bodor (Jira)" <ji...@apache.org> on 2020/04/06 17:26:00 UTC

[jira] [Commented] (HIVE-23144) LLAP: Let QueryTracker cleanup on serviceStop

    [ https://issues.apache.org/jira/browse/HIVE-23144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076487#comment-17076487 ] 

László Bodor commented on HIVE-23144:
-------------------------------------

cc: [~ashutoshc]

> LLAP: Let QueryTracker cleanup on serviceStop
> ---------------------------------------------
>
>                 Key: HIVE-23144
>                 URL: https://issues.apache.org/jira/browse/HIVE-23144
>             Project: Hive
>          Issue Type: Bug
>            Reporter: László Bodor
>            Assignee: László Bodor
>            Priority: Major
>         Attachments: HIVE-23144.01.patch
>
>
> QueryTracker's executor service basically runs cleanup tasks: ExternalQueryCleanerCallable, DagMapCleanerCallable, FileCleanerCallable...changing the shutdown behavior to [.shutdown()|https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html#shutdown--] from [.shutdownNow()|https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html#shutdownNow--] would let QueryTracker to cleanup it's garbage, for example shuffle local files:
> https://github.com/apache/hive/blob/c3ec20dd4f5b5fbde4007041844f6aed8c262ca1/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/QueryTracker.java#L440



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