org.stuartgunter.dropwizard.cassandra

Class CassandraMetricSet

java.lang.Object

org.stuartgunter.dropwizard.cassandra.CassandraMetricSet

All Implemented Interfaces:

com.codahale.metrics.Metric, com.codahale.metrics.MetricSet

public class CassandraMetricSet
extends Object
implements com.codahale.metrics.MetricSet

Exposes the metrics provided by the provided Cluster, embedding the cluster name in the metric name.

Metrics are named based on the DataStax Cluster class, the cluster name, and the original name of the metric exposed by the driver. With the current version of the driver - v2.0.2 at the time of writing - this includes: Counters:

• com.datastax.core.Cluster.clusterName.connection-errors
• com.datastax.core.Cluster.clusterName.write-timeouts
• com.datastax.core.Cluster.clusterName.read-timeouts
• com.datastax.core.Cluster.clusterName.unavailables
• com.datastax.core.Cluster.clusterName.other-errors
• com.datastax.core.Cluster.clusterName.retries
• com.datastax.core.Cluster.clusterName.ignores

Gauges:

• com.datastax.core.Cluster.clusterName.open-connections
• com.datastax.core.Cluster.clusterName.connected-to
• com.datastax.core.Cluster.clusterName.known-hosts

Timers:

• com.datastax.core.Cluster.clusterName.requests

Constructor Summary

Constructors

Constructor and Description
CassandraMetricSet(com.datastax.driver.core.Cluster cluster)

Method Summary

Modifier and Type	Method and Description
Map<String,com.codahale.metrics.Metric>	getMetrics()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CassandraMetricSet

public CassandraMetricSet(com.datastax.driver.core.Cluster cluster)

Method Detail

getMetrics

public Map<String,com.codahale.metrics.Metric> getMetrics()

Specified by:

getMetrics in interface com.codahale.metrics.MetricSet