Would it be helpful to add additional message in the error message in NetworkBufferPool#createBufferPool to check the taskmanager.network.numberOfBuffers property?
- Henry On Wed, Feb 18, 2015 at 4:32 PM, Yiannis Gkoufas <johngou...@gmail.com> wrote: > Perfect! It worked! Thanks a lot for the help! > > On 18 February 2015 at 22:13, Fabian Hueske <fhue...@gmail.com> wrote: >> >> 2048 is the default. So you didn't actually increase the number of buffers >> ;-) >> >> Try 4096 or so. >> >> 2015-02-18 22:59 GMT+01:00 Yiannis Gkoufas <johngou...@gmail.com>: >>> >>> Hi! >>> >>> thank you for your replies! >>> I increased the number of network buffers: >>> >>> taskmanager.network.numberOfBuffers: 2048 >>> >>> but I am still getting the same error: >>> >>> Insufficient number of network buffers: required 120, but only 2 of 2048 >>> available. >>> >>> Thanks a lot! >>> >>> >>> On 18 February 2015 at 20:27, Fabian Hueske <fhue...@gmail.com> wrote: >>>> >>>> Hi Yiannis, >>>> >>>> if you scale Flink to larger setups you need to adapt the number of >>>> network buffers. >>>> The background section of the configuration reference explains the >>>> details on that [1]. >>>> >>>> Let us know, if that helped to solve the problem. >>>> >>>> Best, Fabian >>>> >>>> [1] http://flink.apache.org/docs/0.8/config.html#background >>>> >>>> 2015-02-18 21:18 GMT+01:00 Yiannis Gkoufas <johngou...@gmail.com>: >>>>> >>>>> Hi there, >>>>> >>>>> I have a cluster of 10 nodes with 12 CPUs each. >>>>> This is my configuration: >>>>> >>>>> jobmanager.rpc.port: 6123 >>>>> >>>>> jobmanager.heap.mb: 4024 >>>>> >>>>> taskmanager.heap.mb: 8096 >>>>> >>>>> taskmanager.numberOfTaskSlots: 12 >>>>> >>>>> parallelization.degree.default: 120 >>>>> >>>>> I have been getting the following error: >>>>> >>>>> java.lang.Exception: Failed to deploy the task Reduce (SUM(1)) (65/120) >>>>> - execution #0 to slot SimpleSlot (1)(0) - >>>>> efc370a0b2a9a63f2e7b960cfe4e4c27 >>>>> - ALLOCATED/ALIVE: java.io.IOException: Insufficient number of network >>>>> buffers: required 120, but only 2 of 2048 available. >>>>> at >>>>> org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.createBufferPool(NetworkBufferPool.java:155) >>>>> at >>>>> org.apache.flink.runtime.io.network.NetworkEnvironment.registerTask(NetworkEnvironment.java:163) >>>>> at >>>>> org.apache.flink.runtime.taskmanager.TaskManager.org$apache$flink$runtime$taskmanager$TaskManager$$submitTask(TaskManager.scala:426) >>>>> at >>>>> org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$receiveWithLogMessages$1.applyOrElse(TaskManager.scala:261) >>>>> at >>>>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) >>>>> at >>>>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) >>>>> at >>>>> scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) >>>>> at >>>>> org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:37) >>>>> at >>>>> org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:30) >>>>> at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) >>>>> at >>>>> org.apache.flink.runtime.ActorLogMessages$$anon$1.applyOrElse(ActorLogMessages.scala:30) >>>>> at akka.actor.Actor$class.aroundReceive(Actor.scala:465) >>>>> at >>>>> org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:89) >>>>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) >>>>> at akka.actor.ActorCell.invoke(ActorCell.scala:487) >>>>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) >>>>> at akka.dispatch.Mailbox.run(Mailbox.scala:221) >>>>> at akka.dispatch.Mailbox.exec(Mailbox.scala:231) >>>>> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >>>>> >>>>> at >>>>> org.apache.flink.runtime.executiongraph.Execution$2.onComplete(Execution.java:344) >>>>> at akka.dispatch.OnComplete.internal(Future.scala:247) >>>>> at akka.dispatch.OnComplete.internal(Future.scala:244) >>>>> at akka.dispatch.japi$CallbackBridge.apply(Future.scala:174) >>>>> at akka.dispatch.japi$CallbackBridge.apply(Future.scala:171) >>>>> at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) >>>>> at >>>>> scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107) >>>>> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >>>>> at >>>>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >>>>> >>>>> >>>>> I failed to get any info online on how to solve it. >>>>> Any help would be welcome. >>>>> >>>>> Thank you! >>>> >>>> >>> >> >
