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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3454) Balancer unconditionally logs InterruptedException at INFO level on shutdown if security is enabled
Date Tue, 22 May 2012 21:09:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HDFS-3454:
------------------------------

    Attachment: hdfs-3454.txt

Patch attached, just bumps the log to debug level.
                
> Balancer unconditionally logs InterruptedException at INFO level on shutdown if security
is enabled 
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3454
>                 URL: https://issues.apache.org/jira/browse/HDFS-3454
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer
>    Affects Versions: 2.0.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>         Attachments: hdfs-3454.txt
>
>
> NameNodeConnector#close intrrupts the keyupdaterthread on shutdown so you always see
the following on shutdown:
> {noformat}
> The cluster is balanced. Exiting...
> 12/04/23 23:23:12 INFO balancer.Balancer: InterruptedException in block key updater thread
> java.lang.InterruptedException: sleep interrupted
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.hadoop.hdfs.server.balancer.NameNodeConnector$BlockKeyUpdater.run(NameNodeConnector.java:200)
> 	at java.lang.Thread.run(Thread.java:662)
> {noformat}

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