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https://issues.apache.org/jira/browse/HDFS-14316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780011#comment-16780011
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Deshui Yu commented on HDFS-14316:
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[~elgoiri] Thanks for helping format the code snippet.
Yes, the performance concern is mitigated if invokeSingle alreadys fail fast
towards failed subcluster, and it's will be good if we can run perf test to
confirm that.
> RBF: Support unavailable subclusters for mount points with multiple
> destinations
> --------------------------------------------------------------------------------
>
> Key: HDFS-14316
> URL: https://issues.apache.org/jira/browse/HDFS-14316
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-14316-HDFS-13891.000.patch,
> HDFS-14316-HDFS-13891.001.patch, HDFS-14316-HDFS-13891.002.patch,
> HDFS-14316-HDFS-13891.003.patch
>
>
> Currently mount points with multiple destinations (e.g., HASH_ALL) fail
> writes when the destination subcluster is down. We need an option to allow
> writing in other subclusters when one is down.
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