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Posted to jira@kafka.apache.org by "Ziyun Fu (Jira)" <ji...@apache.org> on 2026/10/02 17:09:00 UTC

[jira] [Assigned] (KAFKA-21202) listTransactionStates doesn't need to hold the lock so long

     [ https://issues.apache.org/jira/browse/KAFKA-21202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ziyun Fu reassigned KAFKA-21202:
--------------------------------

    Assignee: Ziyun Fu  (was: Chia-Ping Tsai)

> listTransactionStates doesn't need to hold the lock so long
> -----------------------------------------------------------
>
>                 Key: KAFKA-21202
>                 URL: https://issues.apache.org/jira/browse/KAFKA-21202
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Chia-Ping Tsai
>            Assignee: Ziyun Fu
>            Priority: Minor
>
> We could create a snapshot of `transactionMetadataCache` and then release the lock to complete the subsequent filter.  The per-partition maps are {{{}ConcurrentHashMap{}}}, so iterating them outside the lock is safe.
>  



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