Hi, during startup, Flink will log something like: 16:48:09,669 INFO org.apache.flink.runtime.taskmanager.TaskManager - Using 1193 MB for Flink managed memory.
Can you tell us how much memory Flink is managing in your case? On Thu, Mar 26, 2015 at 4:46 PM, Andra Lungu <lungu.an...@gmail.com> wrote: > Hello everyone, > > I guess I need to revive this old discussion: > > http://apache-flink-incubator-mailing-list-archive.1008284.n3.nabble.com/Memory-segment-error-when-migrating-functional-code-from-Flink-0-9-to-0-8-td3687.html > > At that point, the fix was to kindly ask Alex to make his project work with > 0.9. > > Now, I am not that lucky! > > This is the code: > https://github.com/andralungu/gelly-partitioning/tree/alphaSplit > > The main program(NodeSplitting) is working nicely, I get the correct > result. But if you run the test, you will see that collection works and > cluster fails miserably with this exception: > > Caused by: java.lang.Exception: The data preparation for task 'Join(Join at > weighEdges(NodeSplitting.java:112)) (04e172e761148a65783a4363406e08c0)' , > caused an error: Too few memory segments provided. Hash Join needs at least > 33 memory segments. > at > > org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:471) > at > > org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:362) > at > > org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:209) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.IllegalArgumentException: Too few memory segments > provided. Hash Join needs at least 33 memory segments. > > I am running locally, from IntelliJ, on a tiny graph. > $ cat /proc/meminfo > MemTotal: 11405696 kB > MemFree: 5586012 kB > Buffers: 178100 kB > > I am sure I did not run out of memory... > > Any thoughts on this? > > Thanks! > Andra >