Moving from Apache Spark 2 to Apache Spark 3: Spark Version Upgrade at Scale in Pinterest
Description
Apache Spark has become Pinterest’s dominant distributed batch processing framework, and Pinterest is migrating its Spark Platform and most production Spark jobs to Spark 3. In this talk, we’ll share how Pinterest performed the Spark 3 version migration at scale. Moving to Spark 3 is a huge version upgrade that brings many incompatibilities and major differences compared with Spark 2. We’ll first introduce the motivation of the migration, then talk about the major challenges, approaches we took, how we handled different Spark job types during the migration, how we address the incompatibilities between Spark 2 and Spark 3, like Scala version support, and how we efficiently and safely migrated our existing production Spark jobs at scale without impacting stability & SLO with the help of Auto Migration Service (AMS). We’ll then further discuss our current performance improvements, cost saving, as well as the future plans and improvements that we’ll work on. Connect with us: Website: https://databricks.com Facebook: https://www.facebook.com/databricksinc Twitter: https://twitter.com/databricks LinkedIn: https://www.linkedin.com/company/data... Instagram: https://www.instagram.com/dat…
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