org.apache.hadoop.metrics2

Interface MetricHistogram

public interface MetricHistogram

Metrics Histogram interface. Implementing classes will expose computed quartile values through the metrics system.

Field Summary

Fields

Modifier and Type	Field and Description
static String	MAX_METRIC_NAME
static String	MEAN_METRIC_NAME
static String	MEDIAN_METRIC_NAME
static String	MIN_METRIC_NAME
static String	NINETY_FIFTH_PERCENTILE_METRIC_NAME
static String	NINETY_NINETH_PERCENTILE_METRIC_NAME
static String	NUM_OPS_METRIC_NAME
static String	SEVENTY_FIFTH_PERCENTILE_METRIC_NAME

Method Summary

Methods

Modifier and Type	Method and Description
void	add(long value) Add a single value to a histogram's stream of values.

Field Detail

NUM_OPS_METRIC_NAME

static final String NUM_OPS_METRIC_NAME

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Constant Field Values

MIN_METRIC_NAME

static final String MIN_METRIC_NAME

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Constant Field Values

MAX_METRIC_NAME

static final String MAX_METRIC_NAME

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Constant Field Values

MEAN_METRIC_NAME

static final String MEAN_METRIC_NAME

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Constant Field Values

MEDIAN_METRIC_NAME

static final String MEDIAN_METRIC_NAME

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Constant Field Values

SEVENTY_FIFTH_PERCENTILE_METRIC_NAME

static final String SEVENTY_FIFTH_PERCENTILE_METRIC_NAME

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Constant Field Values

NINETY_FIFTH_PERCENTILE_METRIC_NAME

static final String NINETY_FIFTH_PERCENTILE_METRIC_NAME

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Constant Field Values

NINETY_NINETH_PERCENTILE_METRIC_NAME

static final String NINETY_NINETH_PERCENTILE_METRIC_NAME

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Constant Field Values

Method Detail

add

void add(long value)

Add a single value to a histogram's stream of values.

Parameters:

value -