Yuanbo Liu created HADOOP-19183:
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Summary: RBF: Support leader follower mode for multiple subclusters
Key: HADOOP-19183
URL: https://issues.apache.org/jira/browse/HADOOP-19183
Project: Hadoop Common
Issue Type: Improvement
Components: RBF
Reporter: Yuanbo Liu
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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