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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