[jira] [Resolved] (IMPALA-13798) Cleanup of host-level remote scratch dir on exit

["Yida Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-13798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yida Wu resolved IMPALA-13798.
------------------------------
    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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