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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10657) Have RetryInvocationHandler log failover attempt at INFO level
Date Tue, 17 Jun 2014 11:28:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14033676#comment-14033676
] 

Hudson commented on HADOOP-10657:
---------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #586 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/586/])
HADOOP-10657. Have RetryInvocationHandler log failover attempt at INFO level. Contributed
by Ming Ma. (jing9: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1602941)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java


> Have RetryInvocationHandler log failover attempt at INFO level
> --------------------------------------------------------------
>
>                 Key: HADOOP-10657
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10657
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>             Fix For: 2.5.0
>
>         Attachments: HADOOP-10657-2.patch, HADOOP-10657.patch
>
>
> RetryInovcationHandler uses worthLogging flag to decide if it will do logging. worthLogging
will be false for first fails over given invocationFailoverCount is zero. That addresses the
log noise where the second-listed NN is active.
> For other failover scenarios, it will be useful to log the error message at info level
for analysis purpose.



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