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https://issues.apache.org/jira/browse/OAK-2472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091981#comment-15091981
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Davide Giannella commented on OAK-2472:
---------------------------------------

[~mreutegg] it seems your suspect was right. What's happening is:

- the first 4 threads start
- they get processed by the counter and scheduled
- as soon as it starts processing counter from "different cluster nodes" it 
gets a Collision
- DNSB suspend and resume later on
- a new counter is processed from scratch generating a new scheduled task that 
will add to the conflicts

ideas on possible solutions?
 

> Add support for atomic counters on cluster solutions
> ----------------------------------------------------
>
>                 Key: OAK-2472
>                 URL: https://issues.apache.org/jira/browse/OAK-2472
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.3.0
>            Reporter: Davide Giannella
>            Assignee: Davide Giannella
>              Labels: scalability
>             Fix For: 1.4
>
>         Attachments: OAK-2472-failure-1452511772.log.gz, 
> OAK-2472-success-1452511511.log.gz, atomic-counter.md, oak-1452185608.log.gz, 
> oak-1452268140.log.gz
>
>
> As of OAK-2220 we added support for atomic counters in a non-clustered 
> situation. 
> This ticket is about covering the clustered ones.



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