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https://issues.apache.org/jira/browse/HDFS-17534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17852949#comment-17852949
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Simbarashe Dzinamarira commented on HDFS-17534:
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Could you please add more information regarding the intended use of this new
mode.
> RBF: Support leader follower mode for multiple subclusters
> ----------------------------------------------------------
>
> Key: HDFS-17534
> URL: https://issues.apache.org/jira/browse/HDFS-17534
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Yuanbo Liu
> Assignee: Yuanbo Liu
> Priority: Major
> Labels: pull-request-available
>
> Currently there are five modes in multiple subclusters like
> HASH, LOCAL, RANDOM, HASH_ALL,SPACE;
> Proposal a new mode called leader/follower mode. routers try to write to
> leader subcluster as many as possible. When routers read data, put leader
> subcluster into first rank.
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