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Posted to commits@cassandra.apache.org by "Dmitry Konstantinov (Jira)" <ji...@apache.org> on 2026/09/03 16:10:00 UTC

[jira] [Updated] (CASSANDRA-21645) Use MPSC queue in native transport flusher

     [ https://issues.apache.org/jira/browse/CASSANDRA-21645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Konstantinov updated CASSANDRA-21645:
--------------------------------------------
    Change Category: Performance
         Complexity: Low Hanging Fruit
      Fix Version/s: 6.0.x
                     7.0
             Status: Open  (was: Triage Needed)

> Use MPSC queue in native transport flusher
> ------------------------------------------
>
>                 Key: CASSANDRA-21645
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21645
>             Project: Apache Cassandra
>          Issue Type: Improvement
>          Components: Messaging/Client
>            Reporter: Dmitry Konstantinov
>            Assignee: Dmitry Konstantinov
>            Priority: Normal
>             Fix For: 6.0.x, 7.0
>
>
> org.apache.cassandra.transport.Flusher#queued is consumed by single thread - Netty even loop thread responsible for the correspondent channel handling, so we can replace ConcurrentLinkedQueue with more specialized version such as org.jctools.queues.MpscUnboundedArrayQueue



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