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Date: Thu, 19 Jan 2012 16:53:40 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-2803) Adding logging to LeaseRenewer for
 better lease expiration triage.
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    [ https://issues.apache.org/jira/browse/HDFS-2803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189196#comment-13189196 ] 

Hudson commented on HDFS-2803:
------------------------------

Integrated in Hadoop-Mapreduce-trunk-Commit #1574 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/1574/])
    HDFS-2803. Add logging to LeaseRenewer for better lease expiration debugging. Contributed by Jimmy Xiang.

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1233453
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/LeaseRenewer.java

                
> Adding logging to LeaseRenewer for better lease expiration triage.
> ------------------------------------------------------------------
>
>                 Key: HDFS-2803
>                 URL: https://issues.apache.org/jira/browse/HDFS-2803
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>            Priority: Minor
>              Labels: newbie
>             Fix For: 0.24.0, 0.23.1
>
>         Attachments: hdfs-2803.txt
>
>
> It will be helpful to add some logging to LeaseRenewer when the daemon is terminated (Info level),
> and when the lease is renewed (Debug level).  Since lacking logging, it is hard to know
> if a DFS client doesn't renew the lease because it hangs, or the lease renewer daemon is gone somehow.

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