Yisong Yue created ZOOKEEPER-3484:
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Summary: Improve the throughput by optimizing the synchronization
around outstandingChanges
Key: ZOOKEEPER-3484
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3484
Project: ZooKeeper
Issue Type: Improvement
Reporter: Yisong Yue
Assignee: Yisong Yue
Fix For: 3.6.0
The "processTxn(Request request)" function in ZooKeeperServer.java ("entry
point for FinalRequestProcessor.java") is synchronized around
`outstandingChanges` for all requests now. However, this synchronization is
unnecessary for read requests, and skipping such synchronization for reads can
improve the overall throughput of the request processor pipeline.
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