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Till Rohrmann commented on FLINK-17308: --------------------------------------- Thanks for reporting this issue [~yujunyong]. This is indeed a mistake and should be corrected. I will prepare a PR for it. > ExecutionGraphCache cachedExecutionGraphs not cleanup cause OOM Bug > ------------------------------------------------------------------- > > Key: FLINK-17308 > URL: https://issues.apache.org/jira/browse/FLINK-17308 > Project: Flink > Issue Type: Bug > Components: Runtime / REST > Affects Versions: 1.9.0, 1.9.1, 1.9.2, 1.10.0 > Reporter: yujunyong > Priority: Critical > > class org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache will > cache job execution graph in field > "cachedExecutionGraphs" when call method > "getExecutionGraph", but never call it's > cleanup method in flink. it's cause JobManager Out of Memory, When submit a > lot of batch job and fetch these job's info. becasue these operation cache > all these job execution graph and "cleanup" method never called -- This message was sent by Atlassian Jira (v8.3.4#803005)