org.apache.cassandra.metrics

Class CompactionMetrics

java.lang.Object

org.apache.cassandra.metrics.CompactionMetrics

All Implemented Interfaces:

CompactionManager.CompactionExecutorStatsCollector

public class CompactionMetrics
extends java.lang.Object
implements CompactionManager.CompactionExecutorStatsCollector

Metrics for compaction.

Field Summary

Fields

Modifier and Type	Field and Description
com.yammer.metrics.core.Counter	bytesCompacted Total number of bytes compacted since server [re]start
com.yammer.metrics.core.Gauge<java.lang.Long>	completedTasks Number of completed compactions since server [re]start
static MetricNameFactory	factory
com.yammer.metrics.core.Gauge<java.lang.Integer>	pendingTasks Estimated number of compactions remaining to perform
com.yammer.metrics.core.Meter	totalCompactionsCompleted Total number of compactions since server [re]start

Constructor Summary

Constructors

Constructor and Description
CompactionMetrics(java.util.concurrent.ThreadPoolExecutor... collectors)

Method Summary

Methods

Modifier and Type	Method and Description
void	beginCompaction(CompactionInfo.Holder ci)
void	finishCompaction(CompactionInfo.Holder ci)
static java.util.List<CompactionInfo.Holder>	getCompactions()

Methods inherited from class java.lang.Object

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

Field Detail

factory

public static final MetricNameFactory factory

pendingTasks

public final com.yammer.metrics.core.Gauge<java.lang.Integer> pendingTasks

Estimated number of compactions remaining to perform

completedTasks

public final com.yammer.metrics.core.Gauge<java.lang.Long> completedTasks

Number of completed compactions since server [re]start

totalCompactionsCompleted

public final com.yammer.metrics.core.Meter totalCompactionsCompleted

Total number of compactions since server [re]start

bytesCompacted

public final com.yammer.metrics.core.Counter bytesCompacted

Total number of bytes compacted since server [re]start

Constructor Detail

CompactionMetrics

public CompactionMetrics(java.util.concurrent.ThreadPoolExecutor... collectors)

Method Detail

beginCompaction

public void beginCompaction(CompactionInfo.Holder ci)

Specified by:

beginCompaction in interface CompactionManager.CompactionExecutorStatsCollector

finishCompaction

public void finishCompaction(CompactionInfo.Holder ci)

Specified by:

finishCompaction in interface CompactionManager.CompactionExecutorStatsCollector

getCompactions

public static java.util.List<CompactionInfo.Holder> getCompactions()