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https://issues.apache.org/jira/browse/HDFS-15118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17026199#comment-17026199
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Chen Liang commented on HDFS-15118:
-----------------------------------
The failed tests are unrelated. I've committed to trunk, branch-3.2, branch-3.1
and branch-2.10, with the checkstyle fixed at the commit time. Thanks for the
view [~shv]
> [SBN Read] Slow clients when Observer reads are enabled but there are no
> Observers on the cluster.
> --------------------------------------------------------------------------------------------------
>
> Key: HDFS-15118
> URL: https://issues.apache.org/jira/browse/HDFS-15118
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.10.0
> Reporter: Konstantin Shvachko
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-15118.001.patch, HDFS-15118.002.patch
>
>
> We see substantial degradation in performance of HDFS clients, when Observer
> reads are enabled via {{ObserverReadProxyProvider}}, but there are no
> ObserverNodes on the cluster.
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