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From "Sherwood Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-14020) Emulate Observer node falling far behind the Active
Date Tue, 23 Oct 2018 20:21:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-14020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sherwood Zheng updated HDFS-14020:
----------------------------------
    Description: 
Emulate Observer node falling far behind the Active. Ensure readers switch over
to another Observer instead of waiting for the lagging Observer to catch up. If
there is only a single Observer, it should fall back to the Active.

> Emulate Observer node falling far behind the Active
> ---------------------------------------------------
>
>                 Key: HDFS-14020
>                 URL: https://issues.apache.org/jira/browse/HDFS-14020
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Sherwood Zheng
>            Assignee: Sherwood Zheng
>            Priority: Major
>
> Emulate Observer node falling far behind the Active. Ensure readers switch over
> to another Observer instead of waiting for the lagging Observer to catch up. If
> there is only a single Observer, it should fall back to the Active.



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