Command and Control Executables

Use these command-line utilities to connect to and issue commands to Event Stream Processor.

Each Event Stream Processor instance has a single Command and Control server thread that handles requests for information (metadata) or instructions to perform tasks such as quiesce or shutdown.

The esp_cnc and esp_client utilities send directives to Event Stream Processor via this process. These utilities enable you to control the running Event Stream Processor from the command-line.

The esp_query On-Demand SQL Query utility uses this process to send requests for information to Event Stream Processor. See the On-Demand Queries topic for more details.

• esp_cnc
  Connects to the Event Stream Processor via the Command and Control and Gateway interfaces, and issues simple command and control commands to the server. It prints the results on the standard output.
• esp_client
  Controls and gets information from a running Event Stream Processor instance.