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Mapreduce Programming Model

Source: Internet
Author: User
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Map: ------- split

Reduce: --- merge

====

Batch, ESB:

Splite: ---- split

Aggert: --- merge

Channel ---- Pipeline

BPM

Join

Fork

Task

========================================================== =

All are implemented based on the multi-thread programming model of job-task. The difference is only the single file system storage or the distributed Cluster Storage File System (Unified Data Storage, data block storage in different machines, data in a single machine cannot be used independently, because the data is incomplete, and the data stored in a unified manner is in one machine, which can be used)

Mapreduce Programming Model

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