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https://issues.apache.org/jira/browse/HDFS-14316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782568#comment-16782568
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Íñigo Goiri commented on HDFS-14316:
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While testing this, I saw that the configurations this takes from the client
are kind of slow given that we have the state of the Namenodes.
I added a couple configuration for managing time outs.
The default values are pretty aggressive but work well.
> 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, HDFS-14316-HDFS-13891.004.patch,
> HDFS-14316-HDFS-13891.005.patch, HDFS-14316-HDFS-13891.006.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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