Chapter 16. Retrieving Health Statistics
Monitor the health of your Data Grid clusters in the following ways:
-
Programmatically with
embeddedCacheManager.getHealth()method calls. - JMX MBeans
- Data Grid REST Server
16.1. Accessing the Health API via JMX
Retrieve Data Grid cluster health statistics via JMX.
Procedure
Connect to Data Grid server using any JMX capable tool such as JConsole and navigate to the following object:
org.infinispan:type=CacheManager,name="default",component=CacheContainerHealth
- Select available MBeans to retrieve cluster health statistics.
16.2. Accessing the Health API via REST
Get Data Grid cluster health via the REST API.
Procedure
Invoke a
GETrequest to retrieve cluster health.GET /rest/v2/cache-managers/{cacheManagerName}/health
Data Grid responds with a JSON document such as the following:
{
"cluster_health":{
"cluster_name":"ISPN",
"health_status":"HEALTHY",
"number_of_nodes":2,
"node_names":[
"NodeA-36229",
"NodeB-28703"
]
},
"cache_health":[
{
"status":"HEALTHY",
"cache_name":"___protobuf_metadata"
},
{
"status":"HEALTHY",
"cache_name":"cache2"
},
{
"status":"HEALTHY",
"cache_name":"mycache"
},
{
"status":"HEALTHY",
"cache_name":"cache1"
}
]
}Tip
Get cache manager status as follows:
GET /rest/v2/cache-managers/{cacheManagerName}/health/statusReference
See the REST v2 (version 2) API documentation for more information.
