system-cep-topics

Retrieves per-topic statistics for currently registered event contexts. CEP stands for Complex Event Processing.

Command properties

Property	Description
Command type	Driver query
Required permission	None
License usage	Not counted
Parallel execution	Not supported
Distributed execution	Not supported

Syntax

system-cep-topics

Output fields

Field	Type	Description
topic	string	Event context topic name
count	integer	Number of event contexts for the topic

Error codes

Parsing errors

N/A

Runtime errors

N/A

Description

The system-cep-topics command aggregates currently registered event contexts by topic and returns the count of event contexts for each topic.

Register event contexts with the evtctxadd command, remove them with the evtctxdel command, and retrieve detailed listings with the evtctxlist command.

Examples

Retrieve per-topic event context statistics
```
system-cep-topics
```
Retrieves the count of currently registered event contexts by topic.
Sort topics by event context count in descending order
```
system-cep-topics | sort -count
```
Sorts topics from most event contexts to fewest.