org.apache.bookkeeper.stats.prometheus

Class PrometheusMetricsProvider

java.lang.Object

org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider

All Implemented Interfaces:

StatsProvider

public class PrometheusMetricsProvider
extends java.lang.Object
implements StatsProvider

A Prometheus based StatsProvider implementation.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.concurrent.ConcurrentMap<java.lang.String,LongAdderCounter>	counters
static boolean	DEFAULT_PROMETHEUS_STATS_HTTP_ENABLE
static int	DEFAULT_PROMETHEUS_STATS_HTTP_PORT
static int	DEFAULT_PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS
(package private) java.util.concurrent.ConcurrentMap<java.lang.String,SimpleGauge<? extends java.lang.Number>>	gauges
(package private) java.util.concurrent.ConcurrentMap<java.lang.String,DataSketchesOpStatsLogger>	opStats
static java.lang.String	PROMETHEUS_STATS_HTTP_ENABLE
static java.lang.String	PROMETHEUS_STATS_HTTP_PORT
static java.lang.String	PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS
(package private) io.prometheus.client.CollectorRegistry	registry
(package private) org.eclipse.jetty.server.Server	server

Constructor Summary

Constructors

Constructor and Description
PrometheusMetricsProvider()
PrometheusMetricsProvider(io.prometheus.client.CollectorRegistry registry)

Method Summary

Modifier and Type	Method and Description
StatsLogger	getStatsLogger(java.lang.String scope) Return the stats logger to a given scope.
java.lang.String	getStatsName(java.lang.String... statsComponents) Return the fully qualified stats name comprised of given statsComponents.
(package private) void	rotateLatencyCollection()
void	start(org.apache.commons.configuration.Configuration conf) Intialize the stats provider by loading the given configuration conf.
void	stop() Close the stats provider.
void	writeAllMetrics(java.io.Writer writer)

Methods inherited from class java.lang.Object

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

Field Detail

PROMETHEUS_STATS_HTTP_ENABLE

public static final java.lang.String PROMETHEUS_STATS_HTTP_ENABLE

See Also:

Constant Field Values

DEFAULT_PROMETHEUS_STATS_HTTP_ENABLE

public static final boolean DEFAULT_PROMETHEUS_STATS_HTTP_ENABLE

See Also:

Constant Field Values

PROMETHEUS_STATS_HTTP_PORT

public static final java.lang.String PROMETHEUS_STATS_HTTP_PORT

See Also:

Constant Field Values

DEFAULT_PROMETHEUS_STATS_HTTP_PORT

public static final int DEFAULT_PROMETHEUS_STATS_HTTP_PORT

See Also:

Constant Field Values

PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS

public static final java.lang.String PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS

See Also:

Constant Field Values

DEFAULT_PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS

public static final int DEFAULT_PROMETHEUS_STATS_LATENCY_ROLLOVER_SECONDS

See Also:

Constant Field Values

registry

final io.prometheus.client.CollectorRegistry registry

server

org.eclipse.jetty.server.Server server

counters

final java.util.concurrent.ConcurrentMap<java.lang.String,LongAdderCounter> counters

gauges

final java.util.concurrent.ConcurrentMap<java.lang.String,SimpleGauge<? extends java.lang.Number>> gauges

opStats

final java.util.concurrent.ConcurrentMap<java.lang.String,DataSketchesOpStatsLogger> opStats

Constructor Detail

PrometheusMetricsProvider

public PrometheusMetricsProvider()

PrometheusMetricsProvider

public PrometheusMetricsProvider(io.prometheus.client.CollectorRegistry registry)

Method Detail

start

public void start(org.apache.commons.configuration.Configuration conf)

Description copied from interface: StatsProvider

Intialize the stats provider by loading the given configuration conf.

Specified by:

start in interface StatsProvider

Parameters:

conf - Configuration to configure the stats provider.

stop

public void stop()

Description copied from interface: StatsProvider

Close the stats provider.

Specified by:

stop in interface StatsProvider

getStatsLogger

public StatsLogger getStatsLogger(java.lang.String scope)

Description copied from interface: StatsProvider

Return the stats logger to a given scope.

Specified by:

getStatsLogger in interface StatsProvider

Parameters:

scope - Scope for the given stats

Returns:

stats logger for the given scope

writeAllMetrics

public void writeAllMetrics(java.io.Writer writer)
                     throws java.io.IOException

Specified by:

writeAllMetrics in interface StatsProvider

Throws:

java.io.IOException

getStatsName

public java.lang.String getStatsName(java.lang.String... statsComponents)

Description copied from interface: StatsProvider

Return the fully qualified stats name comprised of given statsComponents.

Specified by:

getStatsName in interface StatsProvider

Parameters:

statsComponents - stats components to comprise the fully qualified stats name

Returns:

the fully qualified stats name

rotateLatencyCollection

void rotateLatencyCollection()