Monitoring Pub/Sub Topic Statistics
NCache provides you monitoring of Pub/Sub Topic statistics. Pub/Sub topic activity and status can be monitored through the following monitoring tools supported by NCache:
Windows Performance Monitor Counters
NCache provides performance counters to monitor topic statistics in a cache:
|Topics Count||Number of topics existing in the cache.|
|Messages Count||Number of messages entertained by all topics. This counter is node level for Partitioned caches.|
|Messages Expired/sec||Number of messages expired per second.|
|Messages Delivered/sec||Number of messages delivered to subscribers per second.|
|Messages Published/sec||Number of messages published per second.|
|Message Store Size||Size of all message stores in bytes, including message store meta info.|
Get-Topics cmdlet lists topic related information registered against one specified cache server. It lists down the topic names and the respective number of subscribers and publishers against each topic name on one server. Shown below are some of the examples used.
- This command lists all topics and the number of respective subscribers and publishers registered on the local server for pubSubCache.
Get-Topics -CacheName pubSubCache
- This command lists all the topics with subscriptions and details.
Get-Topics -CacheName pubSubCache -Detail
- This command lists all the topics (default and user created) along with their subscriptions and details.
Get-Topics -CacheName pubSubCache -ShowAll
Event Notifications in Cache
Publish Messages to Topic