Chiwan Park created FLINK-3994:
----------------------------------
Summary: Instable KNNITSuite
Key: FLINK-3994
URL: https://issues.apache.org/jira/browse/FLINK-3994
Project: Flink
Issue Type: Bug
Components: Machine Learning Library, Tests
Affects Versions: 1.1.0
Reporter: Chiwan Park
Priority: Critical
KNNITSuite fails in Travis-CI with following error:
{code}
org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply$mcV$sp(JobManager.scala:806)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:752)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:752)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41)
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:401)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at
scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253)
at
scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)
...
Cause: java.io.IOException: Insufficient number of network buffers: required
32, but only 4 available. The total number of network buffers is currently set
to 2048. You can increase this number by setting the configuration key
'taskmanager.network.numberOfBuffers'.
at
org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.createBufferPool(NetworkBufferPool.java:196)
at
org.apache.flink.runtime.io.network.NetworkEnvironment.registerTask(NetworkEnvironment.java:327)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:497)
at java.lang.Thread.run(Thread.java:745)
...
{code}
https://s3.amazonaws.com/archive.travis-ci.org/jobs/134064237/log.txt
https://s3.amazonaws.com/archive.travis-ci.org/jobs/134064236/log.txt
https://s3.amazonaws.com/archive.travis-ci.org/jobs/134064235/log.txt
https://s3.amazonaws.com/archive.travis-ci.org/jobs/134052961/log.txt
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