40+ Apache Spark best practices & optimisation interview FAQs – part 03: Partitions & buckets

#31 Bucketing is another data optimisation technique that groups data with the same bucket value across a fixed number of “buckets”. Bucketing improves performance in wide transformations and joins by minimising or avoiding data “shuffles”. For example, the the below…


Java & Big Data Interview FAQs

Java Key Areas Interview Q&As

800+ Java Interview Q&As

Java & Big Data Tutorials

Top