kamilwu commented on issue #11193: [BEAM-9550] Increase JVM Metaspace size for the TaskExecutors. URL: https://github.com/apache/beam/pull/11193#issuecomment-606581424 @mxm I checked two tests from [GBK suite](https://github.com/apache/beam/blob/master/.test-infra/jenkins/job_LoadTests_GBK_Flink_Python.groovy) and one test from [coGBK suite](https://github.com/apache/beam/blob/master/.test-infra/jenkins/job_LoadTests_coGBK_Flink_Python.groovy). Each of them got stuck at some point. It's highly possible that every test from these suites is affected, because the size of input is the same in all tests. I observed that the problem might be connected with a lack of Managed Memory. After increasing `memory.managed.fraction` by `0.1`, the first two tests from GBK suite passed, and a pipeline got stuck at the third test.
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