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