This guide covers Comet $COMET_VERSION: how to install it, build it from source, configure it for your Spark deployment, and get the best results from it. It also documents the data sources, data types, operators, and expressions that Comet supports, along with a compatibility guide describing known differences from Apache Spark.
Operational topics include reading and understanding Comet query plans, tuning, available metrics, and integration guides for Apache Iceberg and Kubernetes. Select a topic from the navigation menu to read more.
.. toctree:: :maxdepth: 1 :caption: Comet $COMET_VERSION User Guide :hidden: Installing Comet <installation> Building From Source <source> Supported Data Sources <datasources> Supported Data Types <datatypes> Supported Operators <operators> Supported Expressions <expressions> ScalaUDF and Java UDF Support <scala_java_udfs> Configuration Settings <configs> Compatibility Guide <compatibility/index> Understanding Comet Plans <understanding-comet-plans> Tuning Guide <tuning> Metrics Guide <metrics> Iceberg Guide <iceberg> S3 Credential Providers <s3-credential-providers> Kubernetes Guide <kubernetes>