zjuwangg commented on pull request #15283: URL: https://github.com/apache/flink/pull/15283#issuecomment-802711896
> what kind of failure have you observed, and why do you believe this to fix the issue? hi @zentol The detailed error is https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=15017&view=logs&j=e25d5e7e-2a9c-5589-4940-0b638d75a414&t=a6e0f756-5bb9-5ea8-a468-5f60db442a29 Fatal errror is as following: `Insufficient number of network buffers: required 33, but only 2 available. 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'. at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.internalCreateBufferPool(NetworkBufferPool.java:372) ` By change the parallelism, I think this should improve the test stablity. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org