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https://issues.apache.org/jira/browse/ARTEMIS-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492686#comment-16492686
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ASF GitHub Bot commented on ARTEMIS-1891:
-----------------------------------------

Github user clebertsuconic commented on the issue:

    https://github.com/apache/activemq-artemis/pull/2114
  
    I wrote the functionality on the initial catch up and it was my mistake for 
sure to not have used the executor he’s patching here. 
    
    This PR needs rebase for sure 
    
    
    ```
    git pull —rebase apache master 
    git push origin -f
    ```


> Sending synchronization finished packet starves when thread pool is full
> ------------------------------------------------------------------------
>
>                 Key: ARTEMIS-1891
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1891
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>            Reporter: yangwei
>            Priority: Major
>         Attachments: synchronization_timeout.stack
>
>
> After sending pages, the thread will hold the storage manager write lock and 
> send synchronization finished packet(use the parent thread pool) to the 
> backup node. At the same time, thread pool is full bcs they are waiting for 
> the storage manager read lock to write the page or journal, leading to 
> replication starting failure.



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