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From "Dushyanth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13675) Bug in return value for delete() calls in WASB
Date Tue, 04 Oct 2016 00:19:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dushyanth updated HADOOP-13675:
-------------------------------
    Attachment: HADOOP-13675.001.patch

Adding first iteration of the patch to fix the return type handling for deletes. 

Testing: The patch contains new test to verify the changes made. Also changes have been tested
against FileSystemContractLive tests for the both Block Blobs and Page Blobs.

> Bug in return value for delete() calls in WASB
> ----------------------------------------------
>
>                 Key: HADOOP-13675
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13675
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: azure, fs/azure
>    Affects Versions: 2.8.0
>            Reporter: Dushyanth
>             Fix For: 2.9.0
>
>         Attachments: HADOOP-13675.001.patch
>
>
> Current implementation of WASB does not correctly handle multiple threads/clients calling
delete on the same file. The expected behavior in such scenarios is only one of the thread
should delete the file and return true, while all other threads should receive false. However
in the current implementation even though only one thread deletes the file, multiple clients
incorrectly get "true" as the return from delete() call..



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