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https://issues.apache.org/jira/browse/IGNITE-21541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vyacheslav Koptilin reassigned IGNITE-21541:
--------------------------------------------
Assignee: Vladislav Pyatkov
> Avoid partition-operations pool when it not lead to starvation
> --------------------------------------------------------------
>
> Key: IGNITE-21541
> URL: https://issues.apache.org/jira/browse/IGNITE-21541
> Project: Ignite
> Issue Type: Improvement
> Reporter: Vladislav Pyatkov
> Assignee: Vladislav Pyatkov
> Priority: Major
> Labels: ignite-3
>
> h3. Motivation
> Chnaging pools and related parking/unparking lead to an increase in latency.
> Sometimes we can avoid extra pool changing, for example, by doing it for
> embedded operations.
> {code:title=ReplicaManager#onReplicaMessageReceived}
> ExecutorService stripeExecutor =
> ReplicationGroupStripes.stripeFor(request.groupId(), requestsExecutor);
> stripeExecutor.execute(() -> handleReplicaRequest(request,
> senderConsistentId, correlationId));
> {code}
> This code changes a thread, even if it is not necessary.
> h3. Definition of done
> ReplicaManager should not switch threads if it does not lead to starvation
> (in my opinion, the splitting is needed only in the case of the network
> thread).
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