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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10657) Have RetryInvocationHandler log failover attempt at INFO level
Date Fri, 06 Jun 2014 20:45:06 GMT

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

Ming Ma updated HADOOP-10657:
-----------------------------

    Attachment: HADOOP-10657.patch

Here is the patch.

> 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
>         Attachments: 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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