hdfs吞吐率与iops测试
1.测试环境：1ns+1secondaryns+4ds
操作系统：Red Hat 4.1.2-46
CPU： 16 Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
MEM： 12 GB
网卡： 1000Gb/s
2.测试准备：
ulimit -n 655350（临时生效）
ulimit -u 65535 （临时生效）
3.iops测试：
3.1测试代码
import org.apache.hadoop.conf.*;
import org.apache.hadoop.fs.*;
import org.apache.hadoop.hdfs.*;
import org.apache.hadoop.hdfs.protocol.*;
import java.util.concurrent.*;
import java.lang.InterruptedException.*;
class single_thread implements Runnable{
private final CountDownLatch doneSignal;
private int name;
private String src;
private String dst;
private int size;
private Configuration conf;
private FileSystem hdfs;
private FileSystem local;
private Path srcPath;
private Path dstPath;
private FSDataOutputStream out;
private FSDataInputStream in;
private byte buffer[];
private long i;
private int b;
//static runTime_sum=0;
public single_thread(int na,String src,String dst,int numOfM,CountDownLatch doneSignal_,int count){
this.doneSignal = doneSignal_;
try{
name = na;
conf = new Configuration();
hdfs = FileSystem.get(conf);
local = FileSystem.getLocal(conf);
long runTime=0,startTime,endTime;
if(src.contains("dev")){
//srcPath = new Path(src);
//in = local.open(srcPath);
//in.close();
}
else{
for(int i1=0;i1<count;i1++)
{
srcPath = new Path(src+"zero"+name+"."+i1);
//startTime=System.nanoTime();
in = hdfs.open(srcPath);
in.close();
//endTime=System.nanoTime();
//runTime=runTime+(endTime-startTime);
}
//runTime/=1;
//runTime_sum+=runTime;
//System.out.println("iops :"+1000000000/runTime);
}
if(dst.contains("dev")){
//dstPath = new Path(dst);
//out = local.create(dstPath);
//out.close();
}
else{
for(int i1=0;i1<count;i1++)
{
dstPath = new Path(dst+"zero"+name+"."+i1);
//startTime=System.nanoTime();
out = hdfs.create(dstPath);
out.close();
//endTime=System.nanoTime();
//runTime=runTime+(endTime-startTime);
}
//runTime/=1;
//runTime_sum+=runTime;
//System.out.println("iops :"+1000000000/runTime);
}
buffer = new byte;
i=0;
size = numOfM;
}catch(Exception e){
System.err.println("error:"+e.toString());
}
}
public void run(){
try{
while(i<1024*size){
i++;
}
doneSignal.countDown();
}catch(Exception e){
System.err.println("error:"+e.toString());
}
}
}
public class hdfs_iops{
public static void main(String[] args)throwsInterruptedException ,ExecutionException {
//System.out.println("test");
int fileSize = 0;
int count = Integer.parseInt(args);
int threadNum = Integer.parseInt(args);
long totalSize = fileSize*threadNum*1024*1024;
CountDownLatch doneSignal = new CountDownLatch(threadNum);
Thread t[] = new Thread;
long startTime=System.nanoTime();
for(int num=0;num<threadNum;num++){
t = new Thread(new single_thread(num,args,args,fileSize,doneSignal,count));
}
long endTime=System.nanoTime();
long runTime=(endTime-startTime)/count;
//long startTime=System.nanoTime();
for(int num=0;num<threadNum;num++){
t.start();
}
doneSignal.await();
System.out.println("thread :"+threadNum+"count :"+count+"iops :"+threadNum/((double)runTime/(double)1000000000.0));
}
}
3.2编译
javac -cp hadoop-core-1.0.3.jar hdfs_iops.java
3.3执行：
在非namenode上
写：
方法1：hadoop hdfs_iops /dev/zero hdfs://ns:9000/ 10(每个线程io次数) 100（线程个数）
方法2：
java -cp :/home/hadoop/hadoop-1.0.3/lib/asm-3.2.jar:/home/hadoop/hadoop-1.0.3/lib/aspectjrt-1.6.5.jar:/home/hadoop/hadoop-1.0.3/lib/aspectjtools-1.6.5.jar:/home/hadoop/hadoop-1.0.3/lib/commons-beanutils-1.7.0.jar:/home/hadoop/hadoop-1.0.3/lib/commons-beanutils-core-1.8.0.jar:/home/hadoop/hadoop-1.0.3/lib/commons-cli-1.2.jar:/home/hadoop/hadoop-1.0.3/lib/commons-codec-1.4.jar:/home/hadoop/hadoop-1.0.3/lib/commons-collections-3.2.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-configuration-1.6.jar:/home/hadoop/hadoop-1.0.3/lib/commons-daemon-1.0.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-digester-1.8.jar:/home/hadoop/hadoop-1.0.3/lib/commons-el-1.0.jar:/home/hadoop/hadoop-1.0.3/lib/commons-httpclient-3.0.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-io-2.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-lang-2.4.jar:/home/hadoop/hadoop-1.0.3/lib/commons-logging-1.1.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-logging-api-1.0.4.jar:/home/hadoop/hadoop-1.0.3/lib/commons-math-2.1.jar:/home/hadoop/hadoop-1.0.3/lib/commons-net-1.4.1.jar:/home/hadoop/hadoop-1.0.3/lib/core-3.1.1.jar:/home/hadoop/hadoop-1.0.3/lib/hadoop-capacity-scheduler-1.0.3.jar:/home/hadoop/hadoop-1.0.3/lib/hadoop-fairscheduler-1.0.3.jar:/home/hadoop/hadoop-1.0.3/lib/hadoop-thriftfs-1.0.3.jar:/home/hadoop/hadoop-1.0.3/lib/hsqldb-1.8.0.10.jar:/home/hadoop/hadoop-1.0.3/lib/jackson-core-asl-1.8.8.jar:/home/hadoop/hadoop-1.0.3/lib/jackson-mapper-asl-1.8.8.jar:/home/hadoop/hadoop-1.0.3/lib/jasper-compiler-5.5.12.jar:/home/hadoop/hadoop-1.0.3/lib/jasper-runtime-5.5.12.jar:/home/hadoop/hadoop-1.0.3/lib/jdeb-0.8.jar:/home/hadoop/hadoop-1.0.3/lib/jersey-core-1.8.jar:/home/hadoop/hadoop-1.0.3/lib/jersey-json-1.8.jar:/home/hadoop/hadoop-1.0.3/lib/jersey-server-1.8.jar:/home/hadoop/hadoop-1.0.3/lib/jets3t-0.6.1.jar:/home/hadoop/hadoop-1.0.3/lib/jetty-6.1.26.jar:/home/hadoop/hadoop-1.0.3/lib/jetty-util-6.1.26.jar:/home/hadoop/hadoop-1.0.3/lib/jsch-0.1.42.jar:/home/hadoop/hadoop-1.0.3/lib/junit-4.5.jar:/home/hadoop/hadoop-1.0.3/lib/kfs-0.2.2.jar:/home/hadoop/hadoop-1.0.3/lib/log4j-1.2.15.jar:/home/hadoop/hadoop-1.0.3/lib/mockito-all-1.8.5.jar:/home/hadoop/hadoop-1.0.3/lib/oro-2.0.8.jar:/home/hadoop/hadoop-1.0.3/lib/servlet-api-2.5-20081211.jar:/home/hadoop/hadoop-1.0.3/lib/slf4j-api-1.4.3.jar:/home/hadoop/hadoop-1.0.3/lib/slf4j-log4j12-1.4.3.jar:/home/hadoop/hadoop-1.0.3/lib/xmlenc-0.52.jar hdfs_iops /dev/zero hdfs://ns:9000/ 10 100
读：
方法1：
hadoop hdfs_iops hdfs://ns:9000/ /dev/null 10(每个线程io次数) 100（线程个数）
方法2参见写方法2
iops测试结果：
http://m3.img.libdd.com/farm4/158/FF92ABDDB2E87E226D126A82CF672A9E_500_267.jpg
4.吞吐率测试
测试代码
import org.apache.hadoop.conf.*;
import org.apache.hadoop.fs.*;
import org.apache.hadoop.hdfs.*;
import org.apache.hadoop.hdfs.protocol.*;
import java.util.concurrent.*;
import java.lang.InterruptedException.*;
class single_thread implements Runnable{
private final CountDownLatch doneSignal;
private int name;
private String src;
private String dst;
private int size;
private Configuration conf;
private FileSystem hdfs;
private FileSystem local;
private Path srcPath;
private Path dstPath;
private FSDataOutputStream out;
private FSDataInputStream in;
private byte buffer[];
private long i;
private int b;
public single_thread(int na,String src,String dst,int numOfM,CountDownLatch doneSignal_){
this.doneSignal = doneSignal_;
try{
name = na;
conf = new Configuration();
hdfs = FileSystem.get(conf);
local = FileSystem.getLocal(conf);
if(src.contains("dev")){
srcPath = new Path(src);
in = local.open(srcPath);
}
else{
srcPath = new Path(src+"pero"+name);
in = hdfs.open(srcPath);
}
if(dst.contains("dev")){
dstPath = new Path(dst);
out = local.create(dstPath);
}
else{
dstPath = new Path(dst+"pero"+name);
out = hdfs.create(dstPath);
}
buffer = new byte;
i=0;
size = numOfM;
}catch(Exception e){
System.err.println("error:"+e.toString());
}
}
public void run(){
try{
//long startTime=System.nanoTime();
while(i<256*size){
b=in.read(buffer);
out.write(buffer,0,b);
i++;
}
// long endTime=System.nanoTime();
// long runTime=endTime-startTime;
// System.out.println(name+":"+runTime/1000000+"ns");
}catch(Exception e){
System.err.println("error:"+e.toString());
}finally{
try{
in.close();
out.close();}catch(Exception e){
System.err.println("error:"+e.toString());
}
doneSignal.countDown();
}
// System.out.println(1024*1024*size);
}
}
public class hdfs_test{
public static void main(String[] args)throwsInterruptedException ,ExecutionException {
//System.out.println("test");
int fileSize = Integer.parseInt(args);
int threadNum = Integer.parseInt(args);
double totalSize = fileSize*threadNum*1024.0*1024.0;
CountDownLatch doneSignal = new CountDownLatch(threadNum);
Thread t[] = new Thread;
long startTime=System.nanoTime();
for(int num=0;num<threadNum;num++){
t = new Thread(new single_thread(num,args,args,fileSize,doneSignal));
t.start();
}
//for(int num=0;num<threadNum;num++){
//}
doneSignal.await();
long endTime=System.nanoTime();
long runTime=endTime-startTime;
System.out.println("totalSize:"+fileSize*threadNum+"MB "+"totalTime:"+runTime/1000000+"ms");
if(fileSize==0)
System.out.println("iops :"+threadNum/((double)runTime/(double)1000000000.0));
else
System.out.println("speed: "+totalSize*1000.0/(double)runTime+"totalsize: "+totalSize+" runtime: "+runTime);
}
}
编译与执行参照iops测试
（测试程序后面两个数字参数分别代表测试文件大小（以M为单位）和线程数目。）
吞吐率测试结果（由于数据规模等原因，部分结果不全）：
http://m1.img.libdd.com/farm4/134/0F24366A763A01C0553458D1EA065986_500_497.jpg
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