/**
* Copyright 2012-2013 University Of Southern California
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.workflowsim.examples.clustering.balancing;
import java.io.File;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.core.CloudSim;
import org.workflowsim.CondorVM;
import org.workflowsim.WorkflowDatacenter;
import org.workflowsim.Job;
import org.workflowsim.WorkflowEngine;
import org.workflowsim.WorkflowPlanner;
import org.workflowsim.examples.clustering.HorizontalClusteringExample1;
import org.workflowsim.utils.DistributionGenerator;
import org.workflowsim.utils.ClusteringParameters;
import org.workflowsim.utils.OverheadParameters;
import org.workflowsim.utils.Parameters;
import org.workflowsim.utils.ReplicaCatalog;
/**
* This BalancedClusteringExample1 is using balanced horizontal clustering or
* more specifically using horizontal runtime balancing.
*
* @author Weiwei Chen
* @since WorkflowSim Toolkit 1.0
* @date Dec 29, 2013
*/
public class BalancedClusteringExample1 extends HorizontalClusteringExample1 {
////////////////////////// STATIC METHODS ///////////////////////
/**
* Creates main() to run this example This example has only one datacenter
* and one storage
*/
public static void main(String[] args) {
try {
/**
* TODO(chenww05): delete in the future
*
*/
String code = "i";
String daxPath = "/Users/weiweich/NetBeansProjects/WorkflowSim-1.0/config/dax/Montage_100.xml";
double c_delay = 0.0, q_delay = 0.0, e_delay = 0.0, p_delay = 0.0;
int interval = 0;
for (int i = 0; i < args.length; i++) {
char key = args[i].charAt(1);
switch (key) {
case 'c':
code = args[++i];
break;
case 'd':
daxPath = args[++i];
break;
case 'l':
c_delay = Double.parseDouble(args[++i]);
break;
case 'q':
q_delay = Double.parseDouble(args[++i]);
break;
case 'e':
e_delay = Double.parseDouble(args[++i]);
break;
case 'p':
p_delay = Double.parseDouble(args[++i]);
break;
case 'i':
interval = Integer.parseInt(args[++i]);
break;
}
}
// First step: Initialize the WorkflowSim package.
/**
* However, the exact number of vms may not necessarily be vmNum If
* the data center or the host doesn't have sufficient resources the
* exact vmNum would be smaller than that. Take care.
*/
int vmNum = 20;//number of vms;
File daxFile = new File(daxPath);
if (!daxFile.exists()) {
Log.printLine("Warning: Please replace daxPath with the physical path in your working environment!");
return;
}
/**
* Since we are using MINMIN scheduling algorithm, the planning
* algorithm should be INVALID such that the planner would not
* override the result of the scheduler
*/
Parameters.SchedulingAlgorithm sch_method = Parameters.SchedulingAlgorithm.DATA;
Parameters.PlanningAlgorithm pln_method = Parameters.PlanningAlgorithm.INVALID;
ReplicaCatalog.FileSystem file_system = ReplicaCatalog.FileSystem.LOCAL;
/**
* clustering delay must be added, if you don't need it, you can set
* all the clustering delay to be zero, but not null
*/
Map<Integer, DistributionGenerator> clusteringDelay = new HashMap();
Map<Integer, DistributionGenerator> queueDelay = new HashMap();
Map<Integer, DistributionGenerator> postscriptDelay = new HashMap();
Map<Integer, DistributionGenerator> engineDelay = new HashMap();
/**
* application has at most 11 horizontal levels
*/
int maxLevel = 11;
for (int level = 0; level < maxLevel; level++) {
if (c_delay != 0.0) {
DistributionGenerator cluster_delay = new DistributionGenerator(DistributionGenerator.DistributionFamily.WEIBULL, c_delay, 1.0);
clusteringDelay.put(level, cluster_delay);
}
if (q_delay != 0.0) {
DistributionGenerator queue_delay = new DistributionGenerator(DistributionGenerator.DistributionFamily.WEIBULL, q_delay, 1.0);
queueDelay.put(level, queue_delay);
}
if (p_delay != 0.0) {
DistributionGenerator postscript_delay = new DistributionGenerator(DistributionGenerator.DistributionFamily.WEIBULL, p_delay, 1.0);
postscriptDelay.put(level, postscript_delay);
}
if (e_delay != 0.0) {
DistributionGenerator engine_delay = new DistributionGenerator(DistributionGenerator.DistributionFamily.WEIBULL, e_delay, 1.0);
engineDelay.put(level, engine_delay);
}
}
OverheadParameters op = new OverheadParameters(interval, engineDelay, queueDelay, postscriptDelay, clusteringDelay, 0);
/**
* Balanced Clustering
*/
ClusteringParameters.ClusteringMethod method = ClusteringParameters.ClusteringMethod.BALANCED;
/**
* r: Horizontal Runtime Balancing (HRB) d: Horizontal Distance
* Balancing (HDB) i: Horizontal Impact Factor Balancing (HIFB) h:
* Horizontal Random Balancing , the original horizontal clustering
*/
ClusteringParameters cp = new ClusteringParameters(20, 0, method, code);
/**
* Initialize static parameters
*/
Parameters.init(vmNum, daxPath, null,
null, op, cp, sch_method, pln_method,
null, 0);
ReplicaCatalog.init(file_system);
// before creating any entities.
int num_user = 1; // number of grid users
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false; // mean trace events
// Initialize the CloudSim library
CloudSim.init(num_user, calendar, trace_flag);
WorkflowDatacenter datacenter0 = createDatacenter("Datacenter_0");
/**
* Create a WorkflowPlanner with one schedulers.
*/
WorkflowPlanner wfPlanner = new WorkflowPlanner("planner_0", 1);
/**
* Create a WorkflowEngine.
*/
WorkflowEngine wfEngine = wfPlanner.getWorkflowEngine();
/**
* Create a list of VMs.The userId of a vm is basically the id of
* the scheduler that controls this vm.
*/
List<CondorVM> vmlist0 = createVM(wfEngine.getSchedulerId(0), Parameters.getVmNum());
/**
* Submits this list of vms to this WorkflowEngine.
*/
wfEngine.submitVmList(vmlist0, 0);
/**
* Binds the data centers with the scheduler.
*/
wfEngine.bindSchedulerDatacenter(datacenter0.getId(), 0);
CloudSim.startSimulation();
List<Job> outputList0 = wfEngine.getJobsReceivedList();
CloudSim.stopSimulation();
printJobList(outputList0);
} catch (Exception e) {
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
}