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Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2015/04/07 04:37:13 UTC

[jira] [Updated] (HDFS-8072) Reserved RBW space is not released if client terminates while writing block

     [ https://issues.apache.org/jira/browse/HDFS-8072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arpit Agarwal updated HDFS-8072:
--------------------------------
    Attachment: HDFS-8072.01.patch

Patch to release reserved space when the BlockReceiver encounters an IOException.

> Reserved RBW space is not released if client terminates while writing block
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-8072
>                 URL: https://issues.apache.org/jira/browse/HDFS-8072
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-8072.01.patch
>
>
> The DataNode reserves space for a full block when creating an RBW block (introduced in HDFS-6898).
> The reserved space is released incrementally as data is written to disk and fully when the block is finalized. However if the client process terminates unexpectedly mid-write then the reserved space is not released until the DN is restarted.



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