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https://issues.apache.org/jira/browse/HDFS-17765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17939549#comment-17939549
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Istvan Toth commented on HDFS-17765:
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This ticket kind of duplicates HDFS-4754 but leaves open the possibility for
other solutions.
> Provide a mechanism for reordering datanode priority when reading
> ------------------------------------------------------------------
>
> Key: HDFS-17765
> URL: https://issues.apache.org/jira/browse/HDFS-17765
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Reporter: Istvan Toth
> Priority: Major
>
> HBASE-6435 has added an ugly hack to avoid long waits for HDFS timeouts when
> reading data whoose primary DataNode is known to be down.
> With JEP-416 that solution is no longer working.
> Provide some solution for HBASE-6435 that does require horrible reflection
> based hacks.
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