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From "Ryan Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2684) Fix a crashing bug in the mixed workloads commit processor
Date Tue, 07 Feb 2017 05:23:41 GMT
Ryan Zhang created ZOOKEEPER-2684:
-------------------------------------

             Summary: Fix a crashing bug in the mixed workloads commit processor
                 Key: ZOOKEEPER-2684
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2684
             Project: ZooKeeper
          Issue Type: Bug
          Components: server
    Affects Versions: 3.6.0
         Environment: with pretty heavy load on a real cluster
            Reporter: Ryan Zhang
            Assignee: Ryan Zhang
            Priority: Critical


We deployed our build with ZOOKEEPER-2024 and it quickly started to crash with the following
error

atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:24:42,305 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x119fa expected 0x11fc5 for client session id 1009079ba470055
atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:32:04,746 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x698 expected 0x928 for client session id 4002eeb3fd0009d
atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:34:46,648 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x8904 expected 0x8f34 for client session id 51b8905c90251
atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:43:46,834 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x3a8d expected 0x3ebc for client session id 2051af11af900cc

clearly something is not right in the new commit processor per session queue implementation.



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