ASP Tutorials - Herong's Tutorial Examples - v5.10, by Dr. Herong Yang
Response Time of "Hello" Page
This section provides a tutorial example on testing the response time of a simple 'Hello' ASP script page.
The next area I want test is total response time of ASP pages. To do this, I wrote the following Java program. This program is doing a single HTTP request to a specified Web page, and repeating this for many times.
/** * HttpResponseTest.java * Copyright (c) 2002 by Dr. Herong Yang. All rights reserved. */ import java.io.*; import java.net.*; public class HttpResponseTest { public static void main(String[] args) { int numberOfTests = 1; if (args.length > 0) numberOfTests = Integer.valueOf(args[0]).intValue(); long t1 = System.currentTimeMillis(); String result = ""; for (int nTest=1; nTest<=numberOfTests; nTest++) { result = test(args); } long t2 = System.currentTimeMillis(); long t = t2 - t1; PrintStream out = System.out; out.println("Performance Information:"); out.println(" Number of tests = " + numberOfTests); out.println(" Time = " + (t/1000) + " seconds."); out.println("Rerulst of Last Test:"); out.println(result); } public static String test(String[] args) { String path = "/index.html"; int port = 80; String host = "localhost"; if (args.length > 1) path = args[1]; if (args.length > 2) port = Integer.valueOf(args[2]).intValue(); if (args.length > 3) host = args[3]; String result = ""; try { Socket c = new Socket(host,port); BufferedWriter w = new BufferedWriter(new OutputStreamWriter( c.getOutputStream())); BufferedReader r = new BufferedReader(new InputStreamReader( c.getInputStream())); String m = "GET "+path; w.write(m,0,m.length()); w.newLine(); w.flush(); while ((m=r.readLine())!= null) { result = result + m + "\n"; } w.close(); r.close(); c.close(); } catch (IOException e) { System.err.println(e.toString()); } return result; } }
Now compile this program and try it with the following "Hello" ASP page, hello.asp:
<%@ language="vbscript"%> <html><body> <% response.write("Hello world!") %> </body></html>
you will get something similar to this:
\local\j2sdk1.4.1_01\bin\java -cp . HttpResponseTest 1 /asp/hello.asp Performance Information: Number of tests = 1 Time = 0 seconds. Rerulst of Last Test: HTTP/1.1 200 OK Server: Microsoft-IIS/5.0 Date: Tue, 24 Dec 2002 02:47:31 GMT Connection: Keep-Alive Content-Length: 38 Content-Type: text/html Set-Cookie: ASPSESSIONIDGGGQQWLY=BJINNIGBFMBPMNHNNCJFDJLG; path=/ Cache-control: private <html><body>Hello world!</body></html>
I repeated the tests by changes the controlling parameters. The following table shows the results comparing with similar tests I did with other technologies:
Number Debug Time Cases of Tests Mode (Sec) Note 1. 1000 No 2 Static text with IIS 5.0 2. 2000 No 4 Static text with IIS 5.0 3. 1000 No 6 ASP page with IIS 5.0 4. 2000 No 11 ASP page with IIS 5.0 5. 1000 ? 7 Static text with Tomcat 4.1.18 6. 2000 ? 15 Static text with Tomcat 4.1.18 7. 1000 ? 8 JSP page with Tomcat 4.1.18 8. 2000 ? 16 JSP page with Tomcat 4.1.18
Conclusion:
Table of Contents
ASP (Active Server Pages) Introduction
IIS (Internet Information Services) 5.0
Managing Sessions with and without Cookies
scrrun.dll - Scripting Runtime DLL
Managing Response Header Lines
►Calculation Speed and Response Time
►Response Time of "Hello" Page
Working with MS Access Database