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https://issues.apache.org/jira/browse/IMPALA-13798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yida Wu resolved IMPALA-13798.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Cleanup of host-level remote scratch dir on exit
> ------------------------------------------------
>
> Key: IMPALA-13798
> URL: https://issues.apache.org/jira/browse/IMPALA-13798
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 4.5.0
> Reporter: Yida Wu
> Assignee: Yida Wu
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> IMPALA-13677 introduces a way to clean up remote scratch files on startup,
> ensuring that leftover files from abnormal shutdowns are removed. It also
> introduces a host-level directory to do easier cleanup.
> An empty host-level directory in remote storage does not use resources, but
> it can stay there forever if a host goes offline permanently. To improve
> this, this task is to remove the remote host-level temporary directory on
> shutdown after the shutdown deadline. This helps prevent too many empty
> directories left in the remote scratch path, especially for hosts that never
> restart.
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