[
https://issues.apache.org/jira/browse/IGNITE-25361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pavel Tupitsyn updated IGNITE-25361:
------------------------------------
Description:
*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}
was:*StreamerSubscriber* calls *subscription.request* under lock, which might
cause unnecessary contention.
> 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
>
> *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}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
