Package org.apache.hadoop.hbase.io

Interface MetricsIOSource

All Superinterfaces:

BaseSource

All Known Implementing Classes:

MetricsIOSourceImpl

@Private
public interface MetricsIOSource
extends BaseSource

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHECKSUM_FAILURES_DESC
static final String	CHECKSUM_FAILURES_KEY
static final String	FS_PREAD_TIME_HISTO_DESC
static final String	FS_PREAD_TIME_HISTO_KEY
static final String	FS_READ_TIME_HISTO_DESC
static final String	FS_READ_TIME_HISTO_KEY
static final String	FS_WRITE_HISTO_KEY
static final String	FS_WRITE_TIME_HISTO_DESC
static final String	METRICS_CONTEXT	The name of the metrics context that metrics will be under.
static final String	METRICS_DESCRIPTION	Description
static final String	METRICS_JMX_CONTEXT	The name of the metrics context that metrics will be under in jmx
static final String	METRICS_NAME	The name of the metrics
static final String	SLOW_FS_READS_DESC
static final String	SLOW_FS_READS_KEY

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

HBASE_METRICS_SYSTEM_NAME

Method Summary

Modifier and Type	Method	Description
void	incrSlowFsRead()
void	updateFsPReadTime(long t)	Update the fs positional read time histogram
void	updateFsReadTime(long t)	Update the fs sequential read time histogram
void	updateFsWriteTime(long t)	Update the fs write time histogram

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

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

Field Details

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

FS_READ_TIME_HISTO_KEY

static final String FS_READ_TIME_HISTO_KEY

See Also:

• Constant Field Values

FS_PREAD_TIME_HISTO_KEY

static final String FS_PREAD_TIME_HISTO_KEY

See Also:

• Constant Field Values

FS_WRITE_HISTO_KEY

static final String FS_WRITE_HISTO_KEY

See Also:

• Constant Field Values

SLOW_FS_READS_KEY

static final String SLOW_FS_READS_KEY

See Also:

• Constant Field Values

SLOW_FS_READS_DESC

static final String SLOW_FS_READS_DESC

See Also:

• Constant Field Values

CHECKSUM_FAILURES_KEY

static final String CHECKSUM_FAILURES_KEY

See Also:

• Constant Field Values

FS_READ_TIME_HISTO_DESC

static final String FS_READ_TIME_HISTO_DESC

See Also:

• Constant Field Values

FS_PREAD_TIME_HISTO_DESC

static final String FS_PREAD_TIME_HISTO_DESC

See Also:

• Constant Field Values

FS_WRITE_TIME_HISTO_DESC

static final String FS_WRITE_TIME_HISTO_DESC

See Also:

• Constant Field Values

CHECKSUM_FAILURES_DESC

static final String CHECKSUM_FAILURES_DESC

See Also:

• Constant Field Values

Method Details

updateFsReadTime

void updateFsReadTime(long t)

Update the fs sequential read time histogram

Parameters:

t - time it took, in milliseconds

updateFsPReadTime

void updateFsPReadTime(long t)

Update the fs positional read time histogram

Parameters:

t - time it took, in milliseconds

updateFsWriteTime

void updateFsWriteTime(long t)

Update the fs write time histogram

Parameters:

t - time it took, in milliseconds

incrSlowFsRead

void incrSlowFsRead()