Managing Performance Service Configuration
You can perform operations to see and update the configuration of the performance service.
| Performance Service Management Methods | URL |
|---|---|
Retrieve current running configuration |
|
Configure a performance object |
|
Execute a trace query |
Performance Service Management Methods
GET /{cluster_id}/perf/config
Retrieve all performance service configurations
Path arguments: cluster_id: The ID of a cluster returned from GET /cluster-configs.
Returns a list of configurations which are dictionaries containing a 'name' property equal to the performance objects’s JMX mbean’s name, the rest of the properties match the configurable attributes to the object.
Example:
curl http://127.0.0.1:8888/Test_Cluster/perf/configOutput:
[
{
"refreshRate": 80000,
"enabled": true,
"name": "SolrUpdateHandlerStats",
"ttl": 86400
},
{
"refreshRate": 60000,
"enabled": false,
"name": "SolrRequestHandlerStats",
"ttl": 604800
},
...
]POST /{cluster_id}/perf/config
Configure a list of performance objects. These would be applied immediately via jmx and update the dse.yaml to survive across reboots.
Path arguments: cluster_id: The ID of a cluster returned from GET /cluster-configs.
Body: A JSON array of dictionaries describing the attributes of the performance objects.
Response 200: Configurations applied successfully.
Example:
curl -X POST
http://127.0.0.1:8888/Test_Cluster/perf/config
-d '[
{
"refreshRate": 80000,
"enabled": true,
"name": "SolrUpdateHandlerStats",
"ttl": 86400
},
{
"refreshRate": 60000,
"enabled": true,
"name": "SolrRequestHandlerStats",
"ttl": 604800
}
]'POST /{cluster_id}/perf/trace
Executes a query with trace enabled and returns details of the execution.
Path arguments: cluster_id: The ID of a cluster returned from GET /cluster-configs.
Body: A JSON dictionary detailing the query to run.
Response 200: with the details of the execution.
| Trace Option | Description |
|---|---|
consistency |
consistency level with which to run the query |
node |
the node to function as coordinator |
keyspace |
keyspace from which to run query |
query |
query to run |
Example:
curl -X POST
http://127.0.0.1:8888/Test_Cluster/perf/config
-d '{"node": "127.0.0.1",
"query": "select * from events",
"keyspace": "system_traces",
"consistency":"ALL"}'