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https://issues.apache.org/jira/browse/HADOOP-14769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16127651#comment-16127651
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Thomas Marquardt commented on HADOOP-14769:
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This patch fixes issues encountered with HBASE where it calls WASB and WASB
fails to delete a directory recursively.
I think we agree that delete recursive should return true if 1) the directory
exists and 2) the directory and its content is successfully deleted. It should
return true when those conditions are met, even if one of the child entries did
not exist when an attempt was made to delete it.
> WASB: delete recursive should not fail if a file is deleted
> -----------------------------------------------------------
>
> Key: HADOOP-14769
> URL: https://issues.apache.org/jira/browse/HADOOP-14769
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Reporter: Thomas Marquardt
> Assignee: Thomas Marquardt
> Attachments: HADOOP-14769-001.patch
>
>
> FileSystem.delete(Path path) and delete(Path path, boolean recursive) return
> false if the path does not exist. The WASB implementation of recursive
> delete currently fails if one of the entries is deleted by an external agent
> while a recursive delete is in progress. For example, if you try to delete
> all of the files in a directory, which can be a very long process, and one of
> the files contained within is deleted by an external agent, the recursive
> directory delete operation will fail if it tries to delete that file and
> discovers that it does not exist. This is not desirable. A recursive
> directory delete operation should succeeed if the directory initially exists
> and when the operation completes, the directory and all of its entries do not
> exist.
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