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https://issues.apache.org/jira/browse/CASSANDRA-9292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson reassigned CASSANDRA-9292:
------------------------------------------

    Assignee: Marcus Eriksson

> ParentRepairSession potentially block ANTI_ENTROPY stage
> --------------------------------------------------------
>
>                 Key: CASSANDRA-9292
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9292
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Yuki Morishita
>            Assignee: Marcus Eriksson
>            Priority: Minor
>
> Follow up from CASSANDRA-9151,
> {quote}
> potentially block this stage again since many methods are synchronized in 
> ActiveRepairService.
> Methods prepareForRepair(could block for 1 hour for prepare message response) 
> and finishParentSession(this one block for anticompaction to finish) are 
> synchronized and could hold on to the lock for a long time.
> In RepairMessageVerbHandler.doVerb, if there is an exception for another 
> repair, removeParentRepairSession(also synchronized) will block.
> {quote}



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