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Posted to issues@ignite.apache.org by "Alexey Scherbakov (Jira)" <ji...@apache.org> on 2026/04/03 08:11:00 UTC

[jira] [Created] (IGNITE-28450) Reduce lock conflict probability for certain KV operations

Alexey Scherbakov created IGNITE-28450:
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             Summary: Reduce lock conflict probability for certain KV operations
                 Key: IGNITE-28450
                 URL: https://issues.apache.org/jira/browse/IGNITE-28450
             Project: Ignite
          Issue Type: Improvement
            Reporter: Alexey Scherbakov


Certain KV operations, like RW_UPSERT, RW_UPSERT_ALL etc, acquire S index locks in 
resolveRowByPk.
Later this lock is upgraded to X.
Under contention such upgrade can produce large number of lock conflicts.
Instead, index locks should be locked with X from the beginning.



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