org.apache.hadoop.hbase.regionserver

Interface MetricsTableAggregateSource

All Superinterfaces:

BaseSource

All Known Implementing Classes:

MetricsTableAggregateSourceImpl

@InterfaceAudience.Private
public interface MetricsTableAggregateSource
extends BaseSource

This interface will be implemented by a MetricsSource that will export metrics from multiple regions of a table into the hadoop metrics system.

Field Summary

Fields

Modifier and Type	Field and Description
static String	METRICS_CONTEXT The name of the metrics context that metrics will be under.
static String	METRICS_DESCRIPTION Description
static String	METRICS_JMX_CONTEXT The name of the metrics context that metrics will be under in jmx
static String	METRICS_NAME The name of the metrics
static String	NUM_TABLES
static String	NUMBER_OF_TABLES_DESC

Fields inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

HBASE_METRICS_SYSTEM_NAME

Method Summary

Modifier and Type	Method and Description
void	deregister(String table) Remove a table's source.
void	register(String table, MetricsTableSource source) Register a MetricsTableSource as being open.

Methods inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

decGauge, getMetricRegistryInfo, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

Field Detail

METRICS_NAME

static final String METRICS_NAME

The name of the metrics

See Also:

Constant Field Values

METRICS_CONTEXT

static final String METRICS_CONTEXT

The name of the metrics context that metrics will be under.

See Also:

Constant Field Values

METRICS_DESCRIPTION

static final String METRICS_DESCRIPTION

Description

See Also:

Constant Field Values

METRICS_JMX_CONTEXT

static final String METRICS_JMX_CONTEXT

The name of the metrics context that metrics will be under in jmx

See Also:

Constant Field Values

NUM_TABLES

static final String NUM_TABLES

See Also:

Constant Field Values

NUMBER_OF_TABLES_DESC

static final String NUMBER_OF_TABLES_DESC

See Also:

Constant Field Values

Method Detail

register

void register(String table,
              MetricsTableSource source)

Register a MetricsTableSource as being open.

Parameters:

table - The table name

source - the source for the table being opened.

deregister

void deregister(String table)

Remove a table's source. This is called when regions of a table are closed.

Parameters:

table - The table name