Package org.apache.hadoop.hbase.metrics

Interface JvmPauseMonitorSource

All Known Subinterfaces:

MetricsRegionServerSource, MetricsRESTSource, MetricsThriftServerSource

All Known Implementing Classes:

MetricsRegionServerSourceImpl, MetricsRESTSourceImpl, MetricsThriftServerSourceImpl

@Private
public interface JvmPauseMonitorSource

Interface for sources that will export JvmPauseMonitor metrics

Field Summary

Fields

Modifier and Type	Field	Description
static final String	INFO_THRESHOLD_COUNT_DESC
static final String	INFO_THRESHOLD_COUNT_KEY
static final String	PAUSE_TIME_WITH_GC_DESC
static final String	PAUSE_TIME_WITH_GC_KEY
static final String	PAUSE_TIME_WITHOUT_GC_DESC
static final String	PAUSE_TIME_WITHOUT_GC_KEY
static final String	WARN_THRESHOLD_COUNT_DESC
static final String	WARN_THRESHOLD_COUNT_KEY

Method Summary

Modifier and Type	Method	Description
void	incInfoThresholdExceeded(int count)	Increment the INFO level threshold exceeded count
void	incWarnThresholdExceeded(int count)	Increment the WARN level threshold exceeded count
void	updatePauseTimeWithGc(long t)	Update the pause time histogram where GC activity was detected.
void	updatePauseTimeWithoutGc(long t)	Update the pause time histogram where GC activity was not detected.

Field Details

INFO_THRESHOLD_COUNT_KEY

static final String INFO_THRESHOLD_COUNT_KEY

See Also:

• Constant Field Values

INFO_THRESHOLD_COUNT_DESC

static final String INFO_THRESHOLD_COUNT_DESC

See Also:

• Constant Field Values

WARN_THRESHOLD_COUNT_KEY

static final String WARN_THRESHOLD_COUNT_KEY

See Also:

• Constant Field Values

WARN_THRESHOLD_COUNT_DESC

static final String WARN_THRESHOLD_COUNT_DESC

See Also:

• Constant Field Values

PAUSE_TIME_WITH_GC_KEY

static final String PAUSE_TIME_WITH_GC_KEY

See Also:

• Constant Field Values

PAUSE_TIME_WITH_GC_DESC

static final String PAUSE_TIME_WITH_GC_DESC

See Also:

• Constant Field Values

PAUSE_TIME_WITHOUT_GC_KEY

static final String PAUSE_TIME_WITHOUT_GC_KEY

See Also:

• Constant Field Values

PAUSE_TIME_WITHOUT_GC_DESC

static final String PAUSE_TIME_WITHOUT_GC_DESC

See Also:

• Constant Field Values

Method Details

incInfoThresholdExceeded

void incInfoThresholdExceeded(int count)

Increment the INFO level threshold exceeded count

Parameters:

count - the count

incWarnThresholdExceeded

void incWarnThresholdExceeded(int count)

Increment the WARN level threshold exceeded count

Parameters:

count - the count

updatePauseTimeWithGc

void updatePauseTimeWithGc(long t)

Update the pause time histogram where GC activity was detected.

Parameters:

t - time it took

updatePauseTimeWithoutGc

void updatePauseTimeWithoutGc(long t)

Update the pause time histogram where GC activity was not detected.

Parameters:

t - time it took