Jimmy Xiang created HBASE-6977:
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Summary: Multithread processing ZK assignment events
Key: HBASE-6977
URL: https://issues.apache.org/jira/browse/HBASE-6977
Project: HBase
Issue Type: Improvement
Components: Region Assignment
Reporter: Jimmy Xiang
Assignee: Jimmy Xiang
Related to HBASE-6976 and HBASE-6611. ZK events processing is a bottle neck
for assignments, since there is only one ZK event thread. If we can use
multiple threads, it should be better.
With multiple threads, the order of events could be messed up. However, if we
pass all events related to one region always to the same worker thread, the
order should be kept.
We need to play with it and find out how much performance imrovement we can get.
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