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https://issues.apache.org/jira/browse/ZOOKEEPER-2684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855408#comment-15855408
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Alexander Shraer edited comment on ZOOKEEPER-2684 at 2/7/17 6:22 AM:
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>From these logs it is difficult to know what's going on besides that some
>reordering is happening somewhere. It would be good to find out where exactly
>this happens. It would be interesting for example to see what is the cxid
>order in which the leader commits these operations (you can print their zxid).
was (Author: shralex):
>From these logs it is difficult to know what's going on besides that some
>reordering is happening somewhere. It would be good to find out where exactly
>this happens. It would be interesting for example to see what is the cxid
>order in which the leader commits these operations.
> 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: Blocker
>
> 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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