长连接和短连接性能测试结果差异Word格式文档下载.docx
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8G
windows
loadrunner
2.2测试脚本简述：
在LR中开发JAVA脚本，直接发送字符串并成功接受返回的字符串。
2.4测试结果对比：
并发线程
连接类型
TPS
响应时间
内存
20
长连接
6766
0.015S
APR
780%
DB:
23%
APP
36%
85%
短连接
7292
0.011S
740%
14%
57%
DB：
83%
2.5测试结果分析：
线程并发数一样，但是长连接的TPS低于短连接的TPS相差大概在6%左右，长连接的应用服务器的APP的资源利用稍微大点，但是短连接的内存消耗明显比长连接的高，高出了大概58%左右。
之所以消耗怎么高是因为，短连接不停的忙着建立连接，不停的建立握手，这样频繁的操作，造成内存资源上的很大消耗。
3■总结
虽然短连接的测试结果TPS以及相应时间是好于长连接的测试结果，但是不符合线上环境。
最重要的一点是，测试人员，做测试脚本以及设计测试场景的时候，一定谨记不要把测试数据发送到服务器端，压力上去后，就不去分析了写的测试脚本以及测试场景是否是满足线上需要的，这样得出的测试结果会给开发人员造成一定的误解。
测试的场景单一，没有去分析线程并发在不同的情况下的，性能结果差异是
多少，如果谁有兴趣可以在分不同的线程并发，多尝试几次，看看性能数据的差异是多少？
4.测试代码附上，4.1长连接代码：
/*
*LoadRunnerJavascript.（Build:
3020）
*
*ScriptDescription:
*/
importlrapi」r;
importjava.io.DataInputStream;
importjava.io.DataOutputStream;
importjava.io.IOException;
importjava.net.Socket;
publicclassActions
{
Socketsocket=null;
DataOutputStreamout;
DataInputStreamin;
publicintinit（）throwsThrowable{
13888）;
socket=newSocket（"
10.20.136.23"
out=newDataOutputStream（socket.getOutputStream（））;
in=new
DataInputStream（socket.getInputStream（））;
sendConnect（out,"
10.16.200.119"
"
performance_test"
）;
Stringtext=readMessage（in）;
System.out.println（text）;
return0;
}//endofinit
publicintaction（）throwsThrowable{
send_memory（out）;
send_jvm（out）;
send_gc（out）;
send_threading（out）;
}//endofaction
publicintend（）throwsThrowable{if（socket!
=null）{socket.close（）;
}return0;
}//endofend
publicStringreadMessage（DataInputStreamin）throws
IOException{
shorttype=in.readShort（）;
if（type!
=1）{
thrownewIOException（"
not
supporttype"
+type）;
}
intlength=in.readInt（）;
byte[]bytes=newbyte[length];
in.readFully（bytes）;
returnnewString（bytes,"
UTF-8"
publicvoidsendConnect（DataOutputStreamout,Stringip,
Stringhostname）throwsIOException{
Stringmessage="
[{/"
T/"
:
/"
Connect/"
/"
S/"
1},{/"
MAC_ADDR/"
[/"
00-26-c6-8f-d8-2c/"
00-50-56-c0-00-08/"
],/"
IP/"
+ip
+
192.168.64.1/"
VERSON/"
2.5/"
SERVICE_TAG/"
wenshao-pc-service-tag/"
HOST_NAME/"
+hostname+"
CLIENT_SESSION/"
[]}]"
;
sendMessage（out,message）;
publicvoidsend_memory（DataOutputStreamout）throwsException{
longdate=System.currentTimeMillis（）;
MonitorItemData/"
39},{/"
D/"
{/"
UsedPhysicalMemorySize/"
1908174848,/"
MemoryNonHeapCommitted/"
41943040,/"
MemoryHeapCommitted/"
122224640,/"
MemoryHeapUsed/"
101766328,/"
TotalPhysicalMemorySize/"
2036363264,/"
UsedSwapSpaceSize/"
2582024192,/"
TotalSwapSpaceSize/"
4072726528,/"
MemoryNonHeapUsed/"
41367072},/"
APP_NUM/"
demo/"
INST_NUM/"
null},/"
TS/"
+date+"
MID/"
548691}]"
publicvoidsend_jvm（DataOutputStreamout）throwsException{longdate=System.currentTimeMillis（）;
42},{/"
AvailableProcessors/"
2,/"
JavaHome/"
C:
//Program
Files//Java//jdk1.6.0_19//jre/"
JavaVersion/"
1.6.0_19/"
PID/"
3112/"
OSVersion/"
6.1/"
UnloadedClassCount/"
0,/"
TotalCompilationTime/"
6089,/"
OSName/"
Windows7/"
JavaSpecificationVersion/"
1.6/"
Arch/"
amd64/"
LoadedClassCount/"
5006,/"
JVM/"
JavaHotSpot（TM）64-BitServer
VM（16.2-b04,mixedmode）/"
StartTime/"
1288273090499,/"
InputArguments/"
-agentlib:
jdwp=transport=dt_socket,suspend=y,address=localhost:
55785/n-Dcatalina.base=D:
//java//workspace-dragoon-25//.metadata//.plugins//org.eclipse.wst.server.core//tmp0/n-Dcatalina.home=D:
//java//apache-tomcat-6.0.26/n-Dwtp.deploy=D:
//java//workspace-dragoon-25//.metadata//.plugins//org.eclipse.wst.server.core//tmp0//wtpwebapps/n-Djava.endorsed.dirs=D:
//java//apache-tomcat-6.0.26//endorsed/n-Dfile.encoding=UTF-8/"
TotalLoadedClassCount/"
:
JavaLibraryPath/"
Files//Java//jdk1.6.0_19//bin;
.;
//Windows//Sun//Java//bin;
//Windows//system32;
//Windows;
Files//Java//jdk1.6.0_19//jre//bin;
//product//11.1.0//client_1;
//Windows//system32;
//Windows//System32//Wbem;
//Windows//System32//WindowsPowerShell//v1.0//;
//ProgramFiles
（x86）//TortoiseSVN//bin;
D:
//java//apache-maven-2.2.1//bin;
//ProgramFiles（x86）//Subversion//bin;
//ProgramFiles（x86）//SSHCommunicationsSecurity//SSHSecureShell;
//ProgramFiles（x86）//Subversion//bin;
//Python25;
//java//diffutils-2.8.7-1-bin//bin/"
},/"
TS/"
554891}]"
publicvoidsend_gc（DataOutputStreamout）throwsException{longdate=System.currentTimeMillis（）;
41},{/"
YoungGCCollectionTime/"
107,/"
FullGCCollectionTime/"
141,/"
FullGCCollectionCount/"
11,/"
PermGenUsed/"
39267864,/"
SurvivorSpaceUsed/"
7201080,/"
EdenSpaceUsed/"
85454816,/"
YoungGCCollectionCount/"
10,/"
OldGenUsed/"
11791088},/"
null},/"
552091}]"
publicvoidsend_threading（DataOutputStreamout）throwsException{
43},{/"
RunnableThreadCount/"
15,/"
ProcessCpuTimeRate/"
0.901,/"
NewThreadCount/"
0,/"
TotalStartedThreadCount/"
49,/"
BlockedThreadCount/"
DeadLockedThreadCount/"
FullGCCollectionTimeRate/"
DaemonThreadCount/"
17,/"
WaitingThreadCount/"
TeminatedThreadCount/"
0,/"
ThreadCount/"
48,/"
TimedWaitingThreadCount/"
25},/"
APP_NUM/"
550191}]"
privatevoidsendMessage（DataOutputStreamout,Stringtext）throwsIOException{
byte[]bytes=text.getBytes（"
out.writeShort
（1）;
out.writeInt（bytes.length）;
out.write（bytes）;
4.2短连接代码
*LoadRunnerJavascript.（Build:
*ScriptDescription:
importlrapi.lr;
importjava.io.DataInputStream;
importjava.io.IOException;
import.Socket;
test_connect（）;
publicintend（）throwsThrowable{
publicvoidtest_connect（）throwsException{
//10.249.168.152:
18001
try{
13888）;
DataOutputStreamout=new
DataOutputStream（socket.getOutputStream（））;
DataInputStreamin=new
"
Stringtext=readMessage（in）;
}finally{
if（socket!
=null）{
socket.close（）;
notsupporttype"
byte[]bytes=newbyte[length];
in.readFully（bytes）;
Stringmessage=
//ProgramFiles//Java//jdk1.6.0_19//jre/"
JavaHotSpot（TM）64-BitServerVM（16.2-b04,mixedmode）/"
TotalLoadedClassCount
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