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https://issues.apache.org/jira/browse/IMPALA-13677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yida Wu updated IMPALA-13677:
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Priority: Major (was: Critical)
> Cleanup of s3 scratch files on abnormal executor exit
> -----------------------------------------------------
>
> Key: IMPALA-13677
> URL: https://issues.apache.org/jira/browse/IMPALA-13677
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Yida Wu
> Assignee: Yida Wu
> Priority: Major
>
> Currently, when an executor spills data to a remote storage, scratch files
> would remain in the remote storage if the executor exits abnormally or is
> terminated after the graceful shutdown deadline.
> Immediate removal might be challenging, but we could consider adding an extra
> thread in the coordinator to handle cleanup of leftover scratch files in
> remote storage. Since s3 is the most common scenario, this task may
> specifically focus on handling the leftover scratch files in s3.
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