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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
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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
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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.
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