/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.mapred;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
/**
* Contains job utilization information on one TaskTracker
*/
public class LocalJobUtilization implements Writable {
private String jobId; // jobid of the Hadoop job
private double cpuUsageGHz; // CPU usage (GHz) on the local machine
private double memUsageGB; // Memory usage (GB) on the local machine
static public final String contentFormat = "%-25s%-8.2f%-8.2f\n";
static public final String legendFormat = "%-25s%-8s%-8s\n";
static public final String legendString =
String.format(legendFormat, "jobID", "CPU", "Memory");
static public final String unitString =
String.format(legendFormat, "", "GHz", "GB");
@Override
public String toString() {
return String.format(contentFormat,
getJobId(),
getCpuUsageGHz(),
getMemUsageGB());
}
//////////////////////////////////////////////////
// Writable
//////////////////////////////////////////////////
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, getJobId());
out.writeDouble(getCpuUsageGHz());
out.writeDouble(getMemUsageGB());
}
@Override
public void readFields(DataInput in) throws IOException {
setJobId(Text.readString(in));
setCpuUsageGHz(in.readDouble());
setMemUsageGB(in.readDouble());
}
/**
* @return the jobId
*/
public String getJobId() {
return jobId;
}
/**
* @param jobId the jobId to set
*/
public void setJobId(String jobId) {
this.jobId = jobId;
}
/**
* @return the cpuUsageGHz
*/
public double getCpuUsageGHz() {
return cpuUsageGHz;
}
/**
* @param cpuUsageGHz the cpuUsageGHz to set
*/
public void setCpuUsageGHz(double cpuUsageGHz) {
this.cpuUsageGHz = cpuUsageGHz;
}
/**
* @return the memUsageGB
*/
public double getMemUsageGB() {
return memUsageGB;
}
/**
* @param memUsageGB the memUsageGB to set
*/
public void setMemUsageGB(double memUsageGHz) {
this.memUsageGB = memUsageGHz;
}
}