Memory ran out PageRank

[Ovidiu-Cristian MARCU]

Hi,

While running PageRank on a synthetic graph I run into this problem: 
Any advice on how should I proceed to overcome this memory issue?

IterationHead(Vertex-centric iteration 
(org.apache.flink.graph.library.PageRank$VertexRankUpdater@7712cae0 | 
org.apache.flink.graph.library.PageRank$RankMesseng$
java.lang.RuntimeException: Memory ran out. Compaction failed. numPartitions: 
32 minPartition: 24 maxPartition: 25 number of overflow segments: 328 
bucketSize: 638 Overall memory: 115539968 Partition memory: 50659328 Message: 
Index: 25, Size: 24
        at 
org.apache.flink.runtime.operators.hash.CompactingHashTable.insertRecordIntoPartition(CompactingHashTable.java:469)
        at 
org.apache.flink.runtime.operators.hash.CompactingHashTable.insertOrReplaceRecord(CompactingHashTable.java:414)
        at 
org.apache.flink.runtime.operators.hash.CompactingHashTable.buildTableWithUniqueKey(CompactingHashTable.java:325)
        at 
org.apache.flink.runtime.iterative.task.IterationHeadTask.readInitialSolutionSet(IterationHeadTask.java:212)
        at 
org.apache.flink.runtime.iterative.task.IterationHeadTask.run(IterationHeadTask.java:273)
        at 
org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:354)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584)
        at java.lang.Thread.run(Thread.java:745)

Thanks!

Best,
Ovidiu