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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6898) DN must reserve space for a full block when an RBW block is created
Date Sun, 07 Sep 2014 04:06:29 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arpit Agarwal updated HDFS-6898:
          Resolution: Fixed
    Target Version/s: 2.6.0
              Status: Resolved  (was: Patch Available)

Thanks for the reviews [~cnauroth]! I committed it to trunk and branch-2.

Colin, if you have any additional feedback we can address it in a follow up Jira.

> DN must reserve space for a full block when an RBW block is created
> -------------------------------------------------------------------
>                 Key: HDFS-6898
>                 URL: https://issues.apache.org/jira/browse/HDFS-6898
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.5.0
>            Reporter: Gopal V
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-6898.01.patch, HDFS-6898.03.patch, HDFS-6898.04.patch, HDFS-6898.05.patch,
HDFS-6898.06.patch, HDFS-6898.07.patch
> DN will successfully create two RBW blocks on the same volume even if the free space
is sufficient for just one full block.
> One or both block writers may subsequently get a DiskOutOfSpace exception. This can be
avoided by allocating space up front.

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