Re: Flink streaming job with iterations gets stuck waiting for network buffers

2017-04-03 Thread Gábor Hermann
Hi Andrey, As Paris has explained it, this is a known issue and there are ongoing efforts to solve it. I can suggest a workaround: limit the amount of messages sent into the iteration manually. You can do this with a e.g. a Map operator that limits records per seconds and simply sends what i

Re: Any way to increase sort buffer size?

2016-11-18 Thread Gábor Hermann
rg/apache/flink/optimizer/Optimizer.java [2] https://github.com/apache/flink/blob/master/flink-optimizer/src/main/java/org/apache/flink/optimizer/traversals/PlanFinalizer.java 2016-11-16 17:29 GMT+01:00 Gábor Hermann <mailto:m...@gaborhermann.com>>: Hi all, Is there any way to

Any way to increase sort buffer size?

2016-11-16 Thread Gábor Hermann
Hi all, Is there any way to increase the sort buffer size other than increasing the overall TaskManager memory? The following error comes up running a job with huge matrix block objects on a cluster: Error obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due to an ex