Data Brew Season 1 Episode 3: Demystifying Delta Lake
Data Brew by Databricks
Efficient querying and troubleshooting slow queries on Delta tables
This chapter explains the efficiency of Delta tables and how they are designed to query by making only one list RPC to the file system, utilizing tricks like ordered file names and the last checkpoint file. It also discusses diagnosing and troubleshooting slow queries on Delta tables.
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