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https://issues.apache.org/jira/browse/HADOOP-13611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-13611:
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Parent: HADOOP-15220 (was: HADOOP-14831)
> FileSystem/s3a processDeleteOnExit to skip the exists() check
> -------------------------------------------------------------
>
> Key: HADOOP-13611
> URL: https://issues.apache.org/jira/browse/HADOOP-13611
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs, fs/s3
> Affects Versions: 2.7.3
> Reporter: Steve Loughran
> Priority: Trivial
>
> If you look at {{FileSystem.processDeleteOnExit()}}, it does an exists()
> check for each entry, before calling delete().
> That exists() check is superfluous; on s3 it add an extra 1-4 HTTP GETs
> This could be fixed with a subclass in s3a to avoid it, but as the call is
> superfluous in *all* filesystems, it could be removed in {{FileSystem}} and
> so picked up by all object stores.
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