Github user StephanEwen commented on the pull request: https://github.com/apache/flink/pull/1026#issuecomment-131771732 Yes, let's have a `TaskRuntimeInfo` and a `TaskManagerContext`. Both are available in the `RuntimeEnvironment` and passed to the `RuntimeContext`. The `TaskRuntimeInfo` has all task-specific information, the `TaskManagerContext` all cross-task constant parts. It could also hold the I/O manager, memory manager, ...
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