Re: PageRank - 4x slower then Spark?!

2017-08-23 Thread Timo Walther
You could enable object reuse [0] if you application allows that. Also adjusting the managed memory size [1] can help. Are you using Flink's graph library Gelly? [0] https://ci.apache.org/projects/flink/flink-docs-release-1.3/dev/batch/index.html#object-reuse-enabled [1]

Re: PageRank - 4x slower then Spark?!

2017-08-23 Thread Kaepke, Marc
Does someone has a current performance test based on PageRank or an idea why Flink lost the comparison? > Am 18.08.2017 um 19:51 schrieb Kaepke, Marc : > > Hi everyone, > > I compared Flink and Spark by using PageRank. I guessed Flink will beat Spark > or have the

PageRank - 4x slower then Spark?!

2017-08-18 Thread Kaepke, Marc
Hi everyone, I compared Flink and Spark by using PageRank. I guessed Flink will beat Spark or have the same level. But Spark is up to 4x faster then Flink. I hope I did a mistake. So please help me to improve the performance of my cluster and config. The cluster has 4 computers: One JobManager