Robert Metzger created FLINK-1952:
-------------------------------------
Summary: Cannot run ConnectedComponents example: Could not
allocate a slot on instance
Key: FLINK-1952
URL: https://issues.apache.org/jira/browse/FLINK-1952
Project: Flink
Issue Type: Bug
Components: Scheduler
Affects Versions: 0.9
Reporter: Robert Metzger
Steps to reproduce
{code}
./bin/yarn-session.sh -n 350
{code}
... wait until they are connected ...
{code}
Number of connected TaskManagers changed to 266. Slots available: 266
Number of connected TaskManagers changed to 323. Slots available: 323
Number of connected TaskManagers changed to 334. Slots available: 334
Number of connected TaskManagers changed to 343. Slots available: 343
Number of connected TaskManagers changed to 350. Slots available: 350
{code}
Start CC
{code}
./bin/flink run -p 350
./examples/flink-java-examples-0.9-SNAPSHOT-ConnectedComponents.jar
{code}
---> it runs
Run KMeans, let it fail with
{code}
Failed to deploy the task Map (Map at main(KMeans.java:100)) (1/350) -
execution #0 to slot SimpleSlot (2)(2)(0) - 182b7661ca9547a84591de940c47a200 -
ALLOCATED/ALIVE: java.io.IOException: Insufficient number of network buffers:
required 350, but only 254 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'.
{code}
... as expected.
(I've waited for 10 minutes between the two submissions)
Starting CC now will fail:
{code}
./bin/flink run -p 350
./examples/flink-java-examples-0.9-SNAPSHOT-ConnectedComponents.jar
{code}
Error message(s):
{code}
Caused by: java.lang.IllegalStateException: Could not schedule consumer vertex
IterationHead(WorksetIteration (Unnamed Delta Iteration)) (19/350)
at
org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:479)
at
org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:469)
at akka.dispatch.Futures$$anonfun$future$1.apply(Future.scala:94)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
at
scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)
... 4 more
Caused by:
org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException:
Could not allocate a slot on instance 4a6d761cb084c32310ece1f849556faf @
cloud-19 - 1 slots - URL:
akka.tcp://[email protected]:51400/user/taskmanager, as required by the
co-location constraint.
at
org.apache.flink.runtime.jobmanager.scheduler.Scheduler.scheduleTask(Scheduler.java:247)
at
org.apache.flink.runtime.jobmanager.scheduler.Scheduler.scheduleImmediately(Scheduler.java:110)
at
org.apache.flink.runtime.executiongraph.Execution.scheduleForExecution(Execution.java:262)
at
org.apache.flink.runtime.executiongraph.ExecutionVertex.scheduleForExecution(ExecutionVertex.java:436)
at
org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:475)
... 9 more
{code}
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