Package org.apache.cassandra.analytics

Interface Summary
IAnalyticsSource Call-back interface.
 

Class Summary
AnalyticsContext Context for sending metrics to Ganglia.
DBAnalyticsSource This class sets up the analytics package to report metrics into Ganglia for the various DB operations such as: reads per second, average read latency, writes per second, average write latency.
MetricsRecord This class keeps a back-pointer to the AnalyticsContext and delegates back to it on update and remove().
MetricValue A Number that is either an absolute or an incremental amount.
OutputRecord Represents a record of metric data to be sent to a metrics system.
VMAnalyticsSource This class sets up the analytics package to report metrics into Ganglia for VM heap utilization.
 

Exception Summary
AnalyticsException General-purpose, unchecked metrics exception.
 



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