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Verifying the status of ports

Updated on July 5, 2022

This content applies only to On-premises and Client-managed cloud environments

In Pega Platform 7.2.1 and later, check if ports 7000 and 9042 listen to an IP address which is accessible from the other nodes.

For the embedded Cassandra configuration, the Pega Platform-spawned Cassandra JVM needs to have 7000 and 9042 ports open.

For the external Cassandra configuration, Pega Platform only needs the Cassandra machines to have 9042 open. However, the external Cassandra machines also need port 7000 open between them so that they can communicate between themselves.

For more information, see Cassandra overview.

  1. Enter the following command: netstat -an | grep <port_number>
Result: The status of the port appears:
  • If port 7000 is in the LISTEN state, Cassandra is available.
  • If port 7000 is in the LISTEN and ESTABLISHED states, other nodes are connected to this machine's Cassandra instance.
  • If port 9042 is in LISTEN mode, the DataStax driver clients can access the node for queries.

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