partition of the other data set (S), i.e., each parallel instance receives the full data set R. Data set S remains local and is not shipped at all. The cost of the BF strategy depends on the size of R and the number of parallel instances it is shipped to. The size of S does not matter because S is not moved. The figure below illustrates how both ship strategies work.</p>
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<img src="/img/blog/joins-broadcast.png" style="width:90%;margin:15px">
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<p>The Repartition-Repartition and Broadcast-Fo