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Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2013/07/24 04:24:48 UTC

[jira] [Updated] (HDFS-5024) Make createCommitBlockSynchronization idempotent

     [ https://issues.apache.org/jira/browse/HDFS-5024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arpit Agarwal updated HDFS-5024:
--------------------------------

    Attachment: HDFS-5024.001.patch

Fix to make the call idempotent.
                
> Make createCommitBlockSynchronization idempotent
> ------------------------------------------------
>
>                 Key: HDFS-5024
>                 URL: https://issues.apache.org/jira/browse/HDFS-5024
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-5024.001.patch
>
>
> commitBlockSynchronization is not idempotent (repeated invocations with the same arguments will throw an exception). By making it Idempotent we can remove the requirement to track invocations using the retry cache.

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