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Apache Spark is an open-source unified analytics engine for large-scale data processing. Spark provides an interface for programming clusters with implicit data parallelism and fault tolerance . Originally developed at the University of California, Berkeley 's AMPLab , the Spark codebase was later donated to the Apache Software Foundation ...
Delta encoding is a way of storing or transmitting data in the form of differences (deltas) between sequential data rather than complete files; more generally this is known as data differencing. Delta encoding is sometimes called delta compression , particularly where archival histories of changes are required (e.g., in revision control software ).
The company has also created Delta Lake, MLflow and Koalas, open source projects that span data engineering, data science and machine learning. [43] [44] In June 2020, Databricks launched Delta Engine, a fast query engine for Delta Lake, [45] compatible with Apache Spark and MLflow. [46]