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https://issues.apache.org/jira/browse/IGNITE-23255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17887573#comment-17887573
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Vladislav Pyatkov commented on IGNITE-23255:
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Merged fa717c64204f84d9ff9f556088c333c5a28669de
> Fastest way to use Placement driver for RO transaction
> ------------------------------------------------------
>
> Key: IGNITE-23255
> URL: https://issues.apache.org/jira/browse/IGNITE-23255
> Project: Ignite
> Issue Type: Improvement
> Reporter: Vladislav Pyatkov
> Assignee: Vladislav Pyatkov
> Priority: Major
> Labels: ignite-3
>
> h3. Motivation
> We know the _completebelFuture#orTimeout_ method is not fast. By the reason
> we added a method _LeasePlacementDriver#getCurrentPrimaryReplica_ which can
> return a primary replica immediately if the information has cached already.
> This approach is still not used in methods for RO transactions:
> _InternalTableImpl#evaluateReadOnlyPrimaryNode_
> _InternalTableImpl#evaluateReadOnlyRecipientNode_
> h3. Definition of done
> Enrich the methods with getCurrentPrimaryReplica invokation before waiting
> directly (We have to check it in benchmark. If the benchmark does not show a
> reducing latency, only the next point is needed to implement).
> Enforce the awaitPrimaryReplica method in PD to use getCurrentPrimaryReplica
> before waiting.
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