Github user mxm commented on the pull request: https://github.com/apache/flink/pull/1093#issuecomment-138506847 Let's merge this without changing the current state of affairs, i.e. keeping on-heap memory management as the default. Then we should file a JIRA to keep track of the remaining (minor) open issues. - Getting `taskmanager.memory.off-heap`, `taskmanager.memory.size`, and `taskmanager.memory.off-heap-ratio` to work - Integrating with the YarnTaskManagerRunner. - Adding a test case for the FlinkMiniCluster
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