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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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What is Databricks Delta Cache? and how does it help improving performance over Apache Spark cache

Srikanth_Gupta_
Databricks Employee
Databricks Employee
1 REPLY 1

sajith_appukutt
Honored Contributor II

Delta cache is an automatic hands-free solution that leverages high read speeds of modern SSDs to transparently create copies of remote files in nodes’ local storage to accelerate data reads . In comparison, you have choose what and when to cache with Spark cache.

Also

  •  Delta cache can be read and operated on faster than the data in the Spark cache.
  • Eviction happens automatically on file changes

More details could be found at https://docs.databricks.com/delta/optimizations/delta-cache.html

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