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https://issues.apache.org/jira/browse/IGNITE-25361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavel Tupitsyn updated IGNITE-25361:
------------------------------------
Fix Version/s: 3.1
> Data Streamer calls user code under lock
> ----------------------------------------
>
> Key: IGNITE-25361
> URL: https://issues.apache.org/jira/browse/IGNITE-25361
> Project: Ignite
> Issue Type: Bug
> Components: data streamer ai3
> Reporter: Pavel Tupitsyn
> Assignee: Pavel Tupitsyn
> Priority: Major
> Labels: ignite-3
> Fix For: 3.1
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> *StreamerSubscriber* calls *subscription.request* under lock, which might
> cause unnecessary contention.
> Additionally, we call request synchronously, which might cause stack overflow
> in certain scenarios:
> {code}
> at
> org.apache.ignite.internal.runner.app.ItStreamTest$1.request(ItStreamTest.java:154)
> - locked <0x985> (a java.lang.Class)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.requestMore(StreamerSubscriber.java:375)
> - locked <0x45ae> (a
> org.apache.ignite.internal.streamer.StreamerSubscriber)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.onNext(StreamerSubscriber.java:190)
> at
> org.apache.ignite.internal.runner.app.ItStreamTest$1.request(ItStreamTest.java:154)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.requestMore(StreamerSubscriber.java:375)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.onNext(StreamerSubscriber.java:190)
> at
> org.apache.ignite.internal.runner.app.ItStreamTest$1.request(ItStreamTest.java:154)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.requestMore(StreamerSubscriber.java:375)
> at
> org.apache.ignite.internal.streamer.StreamerSubscriber.onNext(StreamerSubscriber.java:190)
> at
> org.apache.ignite.internal.runner.app.ItStreamTest$1.request(ItStreamTest.java:154)
> ...
> {code}
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