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https://issues.apache.org/jira/browse/FLINK-30727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17678100#comment-17678100
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Matthias Pohl commented on FLINK-30727:
---------------------------------------
[~zhengyunhong97] may you have a look at it?
> JoinReorderITCase.testBushyTreeJoinReorder failed due to IOException
> --------------------------------------------------------------------
>
> Key: FLINK-30727
> URL: https://issues.apache.org/jira/browse/FLINK-30727
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network, Table SQL / Planner
> Affects Versions: 1.17.0
> Reporter: Matthias Pohl
> Priority: Blocker
> Labels: test-stability
>
> IOException due to timeout occurring while requesting exclusive NetworkBuffer
> caused JoinReorderITCase.testBushyTreeJoinReorder to fail:
> {code}
> [...]
> Jan 18 01:11:27 Caused by: java.io.IOException: Timeout triggered when
> requesting exclusive buffers: The total number of network buffers is
> currently set to 2048 of 32768 bytes each. You can increase this number by
> setting the configuration keys 'taskmanager.memory.network.fraction',
> 'taskmanager.memory.network.min', and 'taskmanager.memory.network.max', or
> you may increase the timeout which is 30000ms by setting the key
> 'taskmanager.network.memory.exclusive-buffers-request-timeout-ms'.
> Jan 18 01:11:27 at
> org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.internalRequestMemorySegments(NetworkBufferPool.java:256)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestPooledMemorySegmentsBlocking(NetworkBufferPool.java:179)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.io.network.buffer.LocalBufferPool.reserveSegments(LocalBufferPool.java:262)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.setupChannels(SingleInputGate.java:517)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.setup(SingleInputGate.java:277)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.setup(InputGateWithMetrics.java:105)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.taskmanager.Task.setupPartitionsAndGates(Task.java:962)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:648)
> Jan 18 01:11:27 at
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:556)
> Jan 18 01:11:27 at java.lang.Thread.run(Thread.java:748)
> {code}
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=44987&view=logs&j=0c940707-2659-5648-cbe6-a1ad63045f0a&t=075c2716-8010-5565-fe08-3c4bb45824a4&l=14300
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