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From zhijiangW <...@git.apache.org>
Subject [GitHub] flink issue #3467: [FLINK-4545] preparations for removing the network buffer...
Date Tue, 14 Mar 2017 04:30:03 GMT
Github user zhijiangW commented on the issue:

    @NicoK ´╝îthank you for explanation,  and I already trace the code in your local branch.
Wish your further change commit in global pool.
    @StephanEwen , thanks for further elaboration. From my understanding, each task can decide
the core number of buffers in `LocalBufferPool` based on input, output channels and configuration,
the maximum number of buffers based on `ResultPartitionType`. And all the `LocalBufferPool`s
make effect on the total number of buffers in `NetworkBufferPool`, may need consider maximum
memory usages.
    And my concern is to consider the memory usages in `NetworkBufferPool` before starts the
`TaskManager`, and this part of memory should be added into the total resource of `TaskManager`.

    I am willing to do that as a part of my current work in [Fine-grained Resource Configuration](https://issues.apache.org/jira/browse/FLINK-5131)
after this feature completes.

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