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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1717) Federation: FSDataset volumeMap access is not correctly synchronized
Date Thu, 03 Mar 2011 23:59:37 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-1717:
----------------------------------

    Attachment: HDFS-1717.3.patch

Adding a change that was missed in previous version of the patch.

> Federation: FSDataset volumeMap access is not correctly synchronized 
> ---------------------------------------------------------------------
>
>                 Key: HDFS-1717
>                 URL: https://issues.apache.org/jira/browse/HDFS-1717
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>    Affects Versions: Federation Branch
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: Federation Branch
>
>         Attachments: HDFS-1717.1.patch, HDFS-1717.2.patch, HDFS-1717.3.patch, HDFS-1717.patch
>
>
> FSDataset volumeMap access has several issues:
> # Access to it is not synchronized all the time, using FSDataset.this as lock, as expected.
> # It is synchronized using different locks.

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