azagrebin edited a comment on issue #10687: [FLINK-15364] Introduce streaming task using heap backend e2e tests for Mesos URL: https://github.com/apache/flink/pull/10687#issuecomment-599947200 @KarmaGYZ EDIT: I saw there was a discussion on ML about it. Maybe, you could briefly summarise the explanation in Jira or here. > As I understand, please, check it: > This e2e test specifically tests state storage in memory of TM and snapshots in memory of JM. If JM/TM communication works in deployment env and JM/TM have enough memory to keep, in-memory backend should also work after testing it in any env. > My question is what is special about Mesos that this test is explicitly needed?
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