The post explains how to optimize joins in Apache Spark by using Sort-Merge-Bucket Join (SMB join) instead of the traditional Sort-Merge Join (SM join). It details the steps involved in SMB join, which include creating and sorting buckets based on the join key before performing the join operation, thus eliminating the need for
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Spark—Beyond Basics: SMB join in Apache Spark (No shuffle join)Sort-Merge Join (SM join)Sort-Merge-Bucket JoinTakeawaysSort: