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From "Hanisha Koneru (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-17116) Skip Retry INFO logging on first failover from a proxy
Date Wed, 08 Jul 2020 20:05:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-17116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hanisha Koneru updated HADOOP-17116:
------------------------------------
    Attachment: HADOOP-17116.002.patch

> Skip Retry INFO logging on first failover from a proxy
> ------------------------------------------------------
>
>                 Key: HADOOP-17116
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17116
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>         Attachments: HADOOP-17116.001.patch, HADOOP-17116.002.patch
>
>
> RetryInvocationHandler logs an INFO level message on every failover except the first.
This used to be ideal before when there were only 2 proxies in the FailoverProxyProvider.
But if there are more than 2 proxies (as is possible with 3 or more NNs in HA), then there
could be more than one failover to find the currently active proxy.
> To avoid creating noise in clients logs/ console, RetryInvocationHandler should skip
logging once for each proxy.



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