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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6243) HA NameNode transition to active or shutdown may leave lingering image transfer thread.
Date Mon, 14 Apr 2014 19:03:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HDFS-6243:
--------------------------------

    Status: Patch Available  (was: Open)

> HA NameNode transition to active or shutdown may leave lingering image transfer thread.
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-6243
>                 URL: https://issues.apache.org/jira/browse/HDFS-6243
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, namenode
>    Affects Versions: 2.4.0, 3.0.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HDFS-6243.1.patch
>
>
> With HDFS-4816, the standby uploads the new checkpoint to the active in a background
thread.  This thread may continue to execute after transitioning to active or shutting down.
 This is marginally wasteful of bandwidth if the image transfer is large, and it also breaks
subsequent tests on Windows since the thread continues to hold a lock on a file descriptor
in the storage directory.



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