[jira] [Created] (FLINK-7517) let NettyBufferPool extend PooledByteBufAllocator

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-7517:
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             Summary: let NettyBufferPool extend PooledByteBufAllocator
                 Key: FLINK-7517
                 URL: https://issues.apache.org/jira/browse/FLINK-7517
             Project: Flink
          Issue Type: Sub-task
          Components: Network
    Affects Versions: 1.4.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber


{{NettyBufferPool}} wraps {{PooledByteBufAllocator}} but due to this, any allocated buffer's {{alloc()}} method is returning the wrapped {{PooledByteBufAllocator}} which allowed heap buffers again. By extending the {{PooledByteBufAllocator}}, we prevent this loop hole and also fix the invariant that a copy of a buffer should have the same allocator.



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