Smart Data Collective

AUGUST 5, 2021

Apart from leveraging the benefits of Delta Lake, migrating to Spark 3.0 improved data processing in the following ways: Skewed Join Optimization. Data skew is a condition in which a table’s data is unevenly distributed among partitions in the cluster and can severely downgrade the performance of queries, especially those with joins.

Data Processing 143

Data Processing Metadata Broadcasting Statistics 143

CIO Business Intelligence

SEPTEMBER 22, 2023

The term “data management platform” can be confusing because, while it sounds like a generalized product that works with all forms of data as part of generalized data management strategies, the term has been more narrowly defined of late as one targeted to marketing departments’ needs.

Management 103

Management Advertising Data Lake Sales 103

The Unofficial Google Data Science Blog

AUGUST 31, 2016

By DAVID ADAMS Since inception, this blog has defined “data science” as inference derived from data too big to fit on a single computer. Thus the ability to manipulate big data is essential to our notion of data science. Spark provides the user with greater flexibility. sc.textFile(.) input_rdd.filter(.).map(.)

Data Science 66

Data Science Sales Optimization Cost-Benefit 66