# Package org.apache.cassandra.metrics

Interface Summary
CassandraMetricsRegistry.JmxCounterMBean
CassandraMetricsRegistry.JmxGaugeMBean
CassandraMetricsRegistry.JmxHistogramMBean
CassandraMetricsRegistry.JmxMeterMBean
CassandraMetricsRegistry.JmxTimerMBean
CassandraMetricsRegistry.MetricMBean
MetricNameFactory

Class Summary
CacheMetrics: Metrics for `ICache`.
CASClientRequestMetrics
CassandraMetricsRegistry: Makes integrating 3.0 metrics API with 2.0.
CassandraMetricsRegistry.MetricName: A value class encapsulating a metric's owning class and name.
ClearableHistogram: Adds ability to reset a histogram
ClientMetrics
ClientRequestMetrics
ColumnFamilyMetrics: Metrics for `ColumnFamilyStore`.
ColumnFamilyMetrics.ColumnFamilyHistogram
CommitLogMetrics: Metrics for commit log
CompactionMetrics: Metrics for compaction.
ConnectionMetrics: Metrics for `OutboundTcpConnectionPool`.
CQLMetrics
DecayingEstimatedHistogramReservoir: A decaying histogram reservoir where values collected during each minute will be twice as significant as the values collected in the previous minute.
DefaultNameFactory: MetricNameFactory that generates default MetricName of metrics.
DroppedMessageMetrics: Metrics for dropped messages by verb.
FileCacheMetrics
HintedHandoffMetrics: Metrics for `HintedHandOffManager`.
HintedHandoffMetrics.DifferencingCounter
KeyspaceMetrics: Metrics for `ColumnFamilyStore`.
LatencyMetrics: Metrics about latencies
ReadRepairMetrics: Metrics related to Read Repair.
RestorableMeter: A meter metric which measures mean throughput as well as fifteen-minute and two-hour exponentially-weighted moving average throughputs.
SEPMetrics
StorageMetrics: Metrics related to Storage.
StreamingMetrics: Metrics for streaming.
ThreadPoolMetrics: Metrics for `ThreadPoolExecutor`.

Enum Summary
ColumnFamilyMetrics.Sampler