[jira] [Updated] (CASSANDRA-15514) Properly clean up DefaultSessionProvider#sessionCache when closing QueryReplayer

["Yifan Cai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-15514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yifan Cai updated CASSANDRA-15514:
----------------------------------
     Bug Category: Parent values: Degradation(12984)Level 1 values: Resource Management(12995)
       Complexity: Low Hanging Fruit
    Discovered By: Unit Test
    Fix Version/s: 4.0-beta
         Severity: Low
           Status: Open  (was: Triage Needed)

> 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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