spark

The Medallion Masterstroke: How Databricks Rewired the Data World One Bronze Layer at a Time

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The Era of Chaos – and Snowflake’s Rise Back in 2017, most of us were drowning in messy data. Files were everywhere in S3 buckets, Hadoop jobs kept failing at the worst times, and analysts? They were always chasing clean data that never seemed to arrive when needed. It was frustrating, and honestly, it felt … Read more

Apache Spark – Performance Tuning and Best Practices

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Visual representation of Apache Spark performance tuning with Spark logo and performance gauge, from the blog Apache Spark – Performance Tuning and Best Practices.

Apache Spark has revolutionized the way we process large-scale data — delivering unparalleled speed, scalability, and flexibility. But as many engineers discover, achieving optimal performance in Spark is far from automatic. Your job runs — but takes longer than expected. The cluster scales — but the costs rise disproportionately. Memory errors appear out of nowhere. … Read more