org.apache.hadoop.hbase.regionserver.wal

Class MetricsWALSourceImpl

java.lang.Object

org.apache.hadoop.hbase.metrics.BaseSourceImpl

org.apache.hadoop.hbase.regionserver.wal.MetricsWALSourceImpl

All Implemented Interfaces:

BaseSource, MetricsWALSource, org.apache.hadoop.metrics2.MetricsSource

public class MetricsWALSourceImpl
extends BaseSourceImpl
implements MetricsWALSource

Class that transitions metrics from HLog's MetricsWAL into the metrics subsystem. Implements BaseSource through BaseSourceImpl, following the pattern.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

metricsContext, metricsDescription, metricsJmxContext, metricsName, metricsRegistry

Fields inherited from interface org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource

APPEND_COUNT, APPEND_COUNT_DESC, APPEND_SIZE, APPEND_SIZE_DESC, APPEND_TIME, APPEND_TIME_DESC, METRICS_CONTEXT, METRICS_DESCRIPTION, METRICS_JMX_CONTEXT, METRICS_NAME, SLOW_APPEND_COUNT, SLOW_APPEND_COUNT_DESC, SYNC_TIME, SYNC_TIME_DESC

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

HBASE_METRICS_SYSTEM_NAME

Constructor Summary

Constructors

Constructor and Description
MetricsWALSourceImpl()
MetricsWALSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext)

Method Summary

Methods

Modifier and Type	Method and Description
void	incrementAppendCount() Increment the count of hlog appends
void	incrementAppendSize(long size) Add the append size.
void	incrementAppendTime(long time) Add the time it took to append.
void	incrementSlowAppendCount() Increment the number of appends that were slow
void	incrementSyncTime(long time) Add the time it took to sync the hlog.

Methods inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

decGauge, getMetrics, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, getMetricsRegistry, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram, updateQuantile

Methods inherited from class java.lang.Object

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

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

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

Constructor Detail

MetricsWALSourceImpl

public MetricsWALSourceImpl()

MetricsWALSourceImpl

public MetricsWALSourceImpl(String metricsName,
                    String metricsDescription,
                    String metricsContext,
                    String metricsJmxContext)

Method Detail

incrementAppendSize

public void incrementAppendSize(long size)

Description copied from interface: MetricsWALSource

Add the append size.

Specified by:

incrementAppendSize in interface MetricsWALSource

incrementAppendTime

public void incrementAppendTime(long time)

Description copied from interface: MetricsWALSource

Add the time it took to append.

Specified by:

incrementAppendTime in interface MetricsWALSource

incrementAppendCount

public void incrementAppendCount()

Description copied from interface: MetricsWALSource

Increment the count of hlog appends

Specified by:

incrementAppendCount in interface MetricsWALSource

incrementSlowAppendCount

public void incrementSlowAppendCount()

Description copied from interface: MetricsWALSource

Increment the number of appends that were slow

Specified by:

incrementSlowAppendCount in interface MetricsWALSource

incrementSyncTime

public void incrementSyncTime(long time)

Description copied from interface: MetricsWALSource

Add the time it took to sync the hlog.

Specified by:

incrementSyncTime in interface MetricsWALSource