[ZOOKEEPER-3484] Improve the throughput by optimizing the synchronization around outstandingChanges

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.6.0
• Labels: pull-request-available
• Assignee: Yisong Yue
• Reporter: Yisong Yue
• Created: 01/Aug/19 21:55
• Updated: 10/Sep/19 06:49
• Resolved: 10/Sep/19 02:26

Description

The "processRequest(Request request)" function in FinalRequestProcessor.java synchronizes 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.

Issue Links

• links to: GitHub Pull Request #1042