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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7266) Don't attempt to delete parent directory on S3
Date Wed, 06 Sep 2017 11:48:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16155245#comment-16155245

Steve Loughran commented on FLINK-7266:

if you are using s3a then delete(path, recursive=false) will stop you from trying to delete
a non-empty dir

> Don't attempt to delete parent directory on S3
> ----------------------------------------------
>                 Key: FLINK-7266
>                 URL: https://issues.apache.org/jira/browse/FLINK-7266
>             Project: Flink
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.3.1
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>            Priority: Critical
>             Fix For: 1.4.0, 1.3.2
> Currently, every attempted release of an S3 state object also checks if the "parent directory"
is empty and then tries to delete it.
> Not only is that unnecessary on S3, but it is prohibitively expensive and for example
causes S3 to throttle calls by the JobManager on checkpoint cleanup.
> The {{FileState}} must only attempt parent directory cleanup when operating against real
file systems, not when operating against object stores.

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