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fa zheng commented on FLINK-15000: ---------------------------------- it mainly caused by loading all metric once, in this case, there are 63599 metrics in total. It is not suitable to load all metric once, it will lead a performance problem. > Metrics is very slow when parallelism is over 1000 > -------------------------------------------------- > > Key: FLINK-15000 > URL: https://issues.apache.org/jira/browse/FLINK-15000 > Project: Flink > Issue Type: Improvement > Components: Runtime / Metrics > Affects Versions: 1.9.0 > Reporter: fa zheng > Priority: Major > Fix For: 1.10.0, 1.11.0 > > > metrics in web ui are very slow when parallelism is over 1000. It's hard to > add metric and choose one metric. I run carTopSpeedWindowingExample with > command > {code:java} > //代码占位符 > flink run -m yarn-cluster -p 1200 -yjm 60g -ytm 60g -yn 60 -ys 20 > examples/streaming/TopSpeedWindowing.jar > {code} > -- This message was sent by Atlassian Jira (v8.3.4#803005)