org.apache.hadoop.mapred.gridmix.emulators.resourceusage
Class ResourceUsageMatcher

java.lang.Object
  org.apache.hadoop.mapred.gridmix.emulators.resourceusage.ResourceUsageMatcher

All Implemented Interfaces:

Progressive

public class ResourceUsageMatcher
extends Object
implements Progressive

This is the driver class for managing all the resource usage emulators. ResourceUsageMatcher expects a comma separated list of ResourceUsageEmulatorPlugin implementations specified using RESOURCE_USAGE_EMULATION_PLUGINS as the configuration parameter.

Note that the order in which the emulators are invoked is same as the order in which they are configured.

Field Summary

static String

RESOURCE_USAGE_EMULATION_PLUGINS Configuration key to set resource usage emulators.

Constructor Summary

ResourceUsageMatcher()

Method Summary

void	configure(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.util.ResourceCalculatorPlugin monitor, org.apache.hadoop.tools.rumen.ResourceUsageMetrics metrics, Progressive progress) Configure the ResourceUsageMatcher to load the configured plugins and initialize them.
float	getProgress() Returns the average progress.
void	matchResourceUsage()

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE_USAGE_EMULATION_PLUGINS

public static final String RESOURCE_USAGE_EMULATION_PLUGINS

Configuration key to set resource usage emulators.

See Also:

Constant Field Values

Constructor Detail

ResourceUsageMatcher

public ResourceUsageMatcher()

Method Detail

configure

public void configure(org.apache.hadoop.conf.Configuration conf,
                      org.apache.hadoop.yarn.util.ResourceCalculatorPlugin monitor,
                      org.apache.hadoop.tools.rumen.ResourceUsageMetrics metrics,
                      Progressive progress)

Configure the ResourceUsageMatcher to load the configured plugins and initialize them.

matchResourceUsage

public void matchResourceUsage()
                        throws IOException,
                               InterruptedException

Throws:

IOException

InterruptedException

getProgress

public float getProgress()

Returns the average progress.

Specified by:

getProgress in interface Progressive