Package com.atlassian.confluence.internal.diagnostics.ipd.filesystem

Class IpdSharedFileWriteLatencyMeter

java.lang.Object

com.atlassian.confluence.internal.diagnostics.ipd.filesystem.IpdSharedFileWriteLatencyMeter

public class IpdSharedFileWriteLatencyMeter
extends Object

Makes measurements of file write duration to shared file system without guaranteed persistence.

Since:

8.7

Field Summary

Fields

Modifier and Type	Field	Description
protected Clock	clock
protected int	numberOfMeasurements
protected Random	random
protected static byte[]	SAMPLE_DATA

Constructor Summary

Constructors

Constructor	Description
IpdSharedFileWriteLatencyMeter(com.atlassian.dc.filestore.api.FileStore.Path file, int numberOfMeasurements)

Method Summary

Modifier and Type	Method	Description
static long	getMedian(List<Long> measurements)
List<Duration>	makeWriteLatencyMeasurements()
protected Duration	measureWriteLatency()

Methods inherited from class java.lang.Object

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

Field Detail

SAMPLE_DATA

protected static final byte[] SAMPLE_DATA

random

protected final Random random

numberOfMeasurements

protected final int numberOfMeasurements

clock

protected final Clock clock

Constructor Detail

IpdSharedFileWriteLatencyMeter

public IpdSharedFileWriteLatencyMeter(com.atlassian.dc.filestore.api.FileStore.Path file,
                                      int numberOfMeasurements)

Method Detail

measureWriteLatency

protected Duration measureWriteLatency()
                                throws IOException

Throws:

IOException

makeWriteLatencyMeasurements

public List<Duration> makeWriteLatencyMeasurements()
                                            throws IOException,
                                                   InterruptedException

Throws:

IOException

InterruptedException

getMedian

public static long getMedian(List<Long> measurements)