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      void releasePartitionExternally(ShuffleDescriptor shuffleDescriptor);

}

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  • PartitionDescriptor and ProducerDescriptor are introduced for wrapping all abstract informations which JM can provide from job/execution graph, such as partition id, type, parallelism etc and producer location, execution id, address, data port etc. These parameters are derived from graph and execution mode, so they are rather general parameters and do not belong to particular shuffle implementation.

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