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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2017/10/06 17:14:00 UTC

[jira] [Created] (KUDU-2176) Pipeline leader writes to followers

Mike Percy created KUDU-2176:
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             Summary: Pipeline leader writes to followers
                 Key: KUDU-2176
                 URL: https://issues.apache.org/jira/browse/KUDU-2176
             Project: Kudu
          Issue Type: Improvement
          Components: consensus
            Reporter: Mike Percy


We may improve write latency and throughput by allowing multiple messages to be in-flight from a Raft leader to its followers. Secondarily, it may also help with MTTR (for re-replication) because after tablet copy a node has to catch up via normal streaming means.

Note that pipelining writes could exacerbate the RPC “stacking problem” that we already have under certain conditions.



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