Package org.apache.wayang.profiler.hardware

Class DiskProfiler

java.lang.Object

org.apache.wayang.profiler.hardware.DiskProfiler

public class DiskProfiler
extends Object

Profiles the reading and writing speed to some directory.

Constructor Summary

Constructors

Constructor	Description
DiskProfiler(String testFileURl)

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)
String	profile(int sizeInMB)	Writes and reads a file and measures the elapsed time.

Methods inherited from class java.lang.Object

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

Constructor Details

DiskProfiler

public DiskProfiler(String testFileURl)

Method Details

profile

public String profile(int sizeInMB)

Writes and reads a file and measures the elapsed time.

Parameters:

sizeInMB - the number of MB to write/read

Returns:

a CSV line like MB,write nanos,read nanos

main

public static void main(String[] args)