Databricks provides a REST interface for Spark cluster-based manipulation. It allows for cluster management, library management, command execution, and the execution of contexts. To be able to access the REST API, the port
34563 must be accessible for your instance in the AWS EC2-based Databricks cloud. The following Telnet command shows an attempt to access the port
34563 of my Databricks cloud instance. Note that the Telnet attempt has been successful:
[hadoop@hc2nn ~]$ telnet dbc-bff687af-08b7.cloud.databricks.com 34563 Trying 22.214.171.124... Connected to dbc-bff687af-08b7.cloud.databricks.com. Escape character is '^]'.
If you do not receive a Telnet session, then contact Databricks via
<firstname.lastname@example.org>. The next sections ...