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https://issues.apache.org/jira/browse/CASSANDRA-15514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-15514:
----------------------------------------
          Since Version: 4.0-alpha
    Source Control Link: 
https://github.com/apache/cassandra/commit/1fbd3297a9c8303ca7aa2ff30d182e5ca568de4c
             Resolution: Fixed
                 Status: Resolved  (was: Ready to Commit)

+1, committed, thanks!

> Properly clean up DefaultSessionProvider#sessionCache when closing 
> QueryReplayer
> --------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15514
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15514
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tool/fql
>            Reporter: Yifan Cai
>            Assignee: Yifan Cai
>            Priority: Normal
>             Fix For: 4.0-beta
>
>
> The {{DefaultSessionProvider}} used by the {{QueryReplayer}} caches the 
> sessions by hostname. When closing, the sessions and their associated 
> clusters are closed but they never get removed from the cache.
> When connecting to the same host, the closed session is returned, which is 
> unexpected. 
> Besides the unexpected behavior, the session references remaining in the 
> cache leaks resources. 



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