Apache Spark Connection

The Apache Spark connection type enables connection to Apache Spark.

Default Connection IDs

Spark Submit and Spark JDBC hooks and operators use spark_default by default, Spark SQL hooks and operators point to spark_sql_default by default, but don't use it.

Configuring the Connection

Host (required)

The host to connect to, it can be local, yarn or an URL.

Port (optional)

Specify the port in case of host be an URL.

Extra (optional)

Specify the extra parameters (as json dictionary) that can be used in spark connection. The following parameters out of the standard python parameters are supported:

  • queue - The name of the YARN queue to which the application is submitted.

  • deploy-mode - Whether to deploy your driver on the worker nodes (cluster) or locally as an external client (client).

  • spark-home - If passed then build the spark-binary executable path using it (spark-home/bin/spark-binary); otherwise assume that spark-binary is present in the PATH of the executing user.

  • spark-binary - The command to use for Spark submit. Some distros may use spark2-submit. Default spark-submit.

  • namespace - Kubernetes namespace (spark.kubernetes.namespace) to divide cluster resources between multiple users (via resource quota).

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