# Package org.apache.cassandra.metrics

- Interface Summary
  Interface | Description
  --- | ---
  CassandraMetricsRegistry.JmxCounterMBean |
  CassandraMetricsRegistry.JmxGaugeMBean |
  CassandraMetricsRegistry.JmxHistogramMBean |
  CassandraMetricsRegistry.JmxMeterMBean |
  CassandraMetricsRegistry.JmxTimerMBean |
  CassandraMetricsRegistry.MetricMBean |
  MetricNameFactory |

- Class Summary
  Class | Description
  --- | ---
  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
  Enum | Description
  --- | ---
  ColumnFamilyMetrics.Sampler |

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