io.greptime.common.util

Class MetricsUtil

java.lang.Object

io.greptime.common.util.MetricsUtil

public final class MetricsUtil
extends Object

In GreptimeDB client, metrics are required. As for whether to output (log) metrics results, you decide.

Author:

jiachun.fjc

Method Summary

Modifier and Type	Method and Description
static com.codahale.metrics.Counter	counter(Object... names) Return the Counter registered under this name; or create and register a new Counter if none is registered.
static com.codahale.metrics.Counter	counter(Object name) Return the Counter registered under this name; or create and register a new Counter if none is registered.
static com.codahale.metrics.Histogram	histogram(Object... names) Return the Histogram registered under this name; or create and register a new Histogram if none is registered.
static com.codahale.metrics.Histogram	histogram(Object name) Return the Histogram registered under this name; or create and register a new Histogram if none is registered.
static com.codahale.metrics.Meter	meter(Object... names) Return the Meter registered under this name; or create and register a new Meter if none is registered.
static com.codahale.metrics.Meter	meter(Object name) Return the Meter registered under this name; or create and register a new Meter if none is registered.
static com.codahale.metrics.MetricRegistry	metricRegistry() Return the global registry of metric instances.
static String	named(Object... names)
static String	named(Object name)
static String	namedById(String id, String... names)
static void	reportImmediately()
static void	startScheduledReporter(long period, TimeUnit unit)
static void	stopScheduledReporterAndDestroy()
static com.codahale.metrics.Timer	timer(Object... names) Return the Timer registered under this name; or create and register a new Timer if none is registered.
static com.codahale.metrics.Timer	timer(Object name) Return the Timer registered under this name; or create and register a new Timer if none is registered.

Methods inherited from class java.lang.Object

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

Method Detail

startScheduledReporter

public static void startScheduledReporter(long period,
                                          TimeUnit unit)

stopScheduledReporterAndDestroy

public static void stopScheduledReporterAndDestroy()

reportImmediately

public static void reportImmediately()

metricRegistry

public static com.codahale.metrics.MetricRegistry metricRegistry()

Return the global registry of metric instances.

meter

public static com.codahale.metrics.Meter meter(Object name)

Return the Meter registered under this name; or create and register a new Meter if none is registered.

meter

public static com.codahale.metrics.Meter meter(Object... names)

Return the Meter registered under this name; or create and register a new Meter if none is registered.

timer

public static com.codahale.metrics.Timer timer(Object name)

Return the Timer registered under this name; or create and register a new Timer if none is registered.

timer

public static com.codahale.metrics.Timer timer(Object... names)

Return the Timer registered under this name; or create and register a new Timer if none is registered.

counter

public static com.codahale.metrics.Counter counter(Object name)

Return the Counter registered under this name; or create and register a new Counter if none is registered.

counter

public static com.codahale.metrics.Counter counter(Object... names)

Return the Counter registered under this name; or create and register a new Counter if none is registered.

histogram

public static com.codahale.metrics.Histogram histogram(Object name)

Return the Histogram registered under this name; or create and register a new Histogram if none is registered.

histogram

public static com.codahale.metrics.Histogram histogram(Object... names)

Return the Histogram registered under this name; or create and register a new Histogram if none is registered.

named

public static String named(Object name)

namedById

public static String namedById(String id,
                               String... names)

named

public static String named(Object... names)