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Posted to hdfs-issues@hadoop.apache.org by "Sherwood Zheng (JIRA)" <ji...@apache.org> on 2018/10/23 20:21:00 UTC
[jira] [Updated] (HDFS-14020) Emulate Observer node falling far
behind the Active
[ 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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