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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10657) Have RetryInvocationHandler log failover attempt at INFO level
Date Mon, 16 Jun 2014 17:54:02 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HADOOP-10657:
-------------------------------

       Resolution: Fixed
    Fix Version/s: 2.5.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Thanks for the contribution, [~mingma]! I've committed this to trunk and branch-2.

> 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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