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Version: 4.12.1

Metric collection

BookKeeper enables metrics collection through a variety of stats providers.

For a full listing of available metrics, see the Metrics reference doc.

Stats providers

BookKeeper has stats provider implementations for these sinks:

ProviderProvider class name
Codahale Metricsorg.apache.bookkeeper.stats.CodahaleMetricsProvider

The Codahale Metrics stats provider is the default provider.

Enabling stats providers in bookies

There are two stats-related configuration parameters available for bookies:

enableStatisticsWhether statistics are enabled for the bookiefalse
statsProviderClassThe stats provider class used by the bookieorg.apache.bookkeeper.stats.CodahaleMetricsProvider

To enable stats:

  • set the enableStatistics parameter to true
  • set statsProviderClass to the desired provider (see the table above for a listing of classes)