Products:Sing Tsung
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1. 2of5 03 16 2007 03 58 PM Products Sing Tsung Linux Box Wiki 3of5 Go to Edit gt Preferences Look at the tab labelled General Click the button marked Connection settings Switch the radio button to Manual Proxy Enter the hostname and port into the line labelled HTTP Proxy The hostname and port to use Should be written in a message on screen It might be something like 10 1 1 217 port 8090 6 Check the button marked use the proxy for all protocols 7 In the line marked No Proxy For put the same host name that you put on the HTTP Proxy line If you neglect to do this then the proxy will record your interactions with the Sing Tsung application as well as the target application This is probably not what you want on FPF WON http trosper mediawiki index php title Products Sing Doe ee EES The Connection How to set up your proxy Settings button settings if tsung were running on piggy 8 Click OK and close the preferences dialog When you are done making your recording you can turn off your proxy by following this procedure Go to Edit gt Preferences Look at the tab labelled General Configuring Your Proxy in Internet Explorer In Internet Explorer 7 you can set a a Pinas scare a up your proxy eT thusly E er 1 Go to Ce on T AT T Tools a uae gt Intern Option 2 Switch to the n Conni How to set2. up IE to use tab the proxy if Tsung were 3 Click running on piggy on LAN Settings Click the Advanced button i a a Click the button marked Connection settings Switch the radio button to Direct connection to the internet Click OK and close the preferences dialog Local are Network LAN Settings rrernet phena ziz Swar ee a mamaaa awns wn H w AP Sana ci adn daa ire To are cate aa unas Leos Wee dalaga Fann A l AA D orrir iriz H ii Pa eee ae are See a z Chait do eMe r e e Lar ee ee 12 Feal z pnw nd pol Jape TEATE Ps EII Pole oteree b a rek eH HEHE O Tra T a r r A wh raa n D bng miir n te pecker ai me L A _ TELAN settings a Soe IE Preferences Check the box marked Use a proxy server for your LAN Put the hostname and port into the first line HTTP The hostname and port might be something like 10 1 1 217 port 8090 and it should be listed on screen Put that same hostname into the Exceptions Click OK and close the preferences dialog 03 16 2007 03 58 PM Products Sing Tsung Linux Box Wiki http trosper mediawiki index php title Products Sing 4of5 When you are done making your recording you can turn off your proxy by following this procedure Go to Tools gt Internet Options Switch to the Connections tab Click on LAN Settings Uncheck the box marked Use a proxy serve
3. Products Sing Tsung Linux Box Wiki http trosper mediawiki index php title Products Sing 1 of 5 Products Sing Tsung From Linux Box Wiki How to use Sing Tsung Contents 1 General Help 1 1 What is Tsung 1 2 What is Sing Tsung 1 3 What is a typical Sing Tsung session like 2 Screens 2 1 Record Screen 2 1 1 Creating a New Session 2 1 1 1 Configuring Your Proxy in Firefox 2 1 1 2 Configuring Your Proxy in Internet Explorer 2 1 2 Editing an Existing Profile 2 1 3 Deleting a Profile aid Manage Screen 2 2 1 The Load Section 2 2 2 The Sessions Section 2 2 3 Editing an Existing Profile 2 2 4 Deleting an Existing Profile 2 3 The Run screen 3 References General Help What is Tsung Tsung is a plugin based load testing application with plugins for generating simulated traffic for several network protocols including HTTP Tsung has a recorder you can use to record web traffic from a browser and it has a player that you can use to play back that web traffic to Simulate large numbers of users accessing your website simultaneously Tsung s recorder implements a conventional HTTP proxy mechanism to collect the traffic Tsung s playback module correctly handles most kinds of dynamic applications Using Tsung you can see how your web application stands up to load with precise control over the activities being simulated What is Sing Tsung Sing T sung is a web front end to Tsung The goal is
4. move Sessions from the list by clicking the Remove checkbox They will be removed when you click Save Editing an Existing Profile You can edit an existing Profile by selecting its name from the drop down selector in the Edit an existing profile section Click Edit to make it appear in the main section of the screen Deleting an Existing Profile To delete an existing Profile select its name from the drop down selector in the Edit an existing profile section Click Delete You will be asked to confirm Note that you are deleting the profile whose name is in the drop down selector which may or may not be the same profile that is in the main section of the screen The Run screen To run a profile choose its name from the drop down selector and click Run Selected Profile It should tell you that Tsung is running If you look at the logs on the target computer you should see the traffic that is being generated Agta Awalan Manage Profllas Mun Freflla Beis BosAlndis Buin Pours ol a Eventually this should finish You can stop it prematurely by clicking Stop all Profiles The Run Screen Once it s done you should be able to see statistics about the profile you just ran by clicking Generate Stats Report References 1 Official Tsung Documentation Tsung Documentation http http tsung erlang projects org user manual html Retrieved from http trosper mediawiki index php Products Sing Tsung Thi
5. on and use your web application like a typical user will Then click Stop and Save You will later combine this and optionally other Sessions to make a Profile that you can use to test load You can also edit previously saved Sessions on the Record screen The Record Screen Creating a New Session The first thing you see when you come to the Record screen is a blank slate for recording To start the recording click the Start Recording button You will see a message that a proxy has been started The idea is that you will use your web browser and the things you do will be recorded by the proxy But first you must set up your browser to use the proxy The message on the screen should have the host name and port that you should use in your proxy It might for example be 10 1 1 217 port 8090 Below are instructions on how to configure your proxy in both Firefox and IE Once your proxy is configured you should use your web browser like you expect a user to Everything you do will be recorded by Sing Tsung When you are done you can click Stop Recording Feel free to edit the Session Body by hand if you wish at this point Or you could start the recording back up to record additional behavior Give this session a name and click Save The session is now available to be used in the creation of Profiles Configuring Your Proxy in Firefox In Firefox 1 5 you can configure your browser for the proxy like so
6. r for your LAN Click OK and close the preferences dialog OB WNr Editing an Existing Profile To edit an existing session look at the Session Management portion of the Record screen There is a drop down selector which contains the names of all the existing Sessions Select yours and click Edit You can now edit that Session s recorded script For example you could edit it by hand or you could click Continue Recording to add more recordings from the web proxy Deleting a Profile To delete an existing session look at the Session Management portion of the Record screen There is a drop down selector with the names of all the Sessions Select yours and click Delete It will ask you to confirm Note that you will be deleting the session mentioned in the drop down selector which may or may not be the same session that is shown in the main part of the page Manage Screen On the Manage screen you create a Profile A Profile is a description of how to generate web traffic It contains a list of Sessions to generate traffic from and a couple of numbers specifying how to use those Sessions In order to run any of the recordings you ve made you must put them into a Profile so that Sing Tsung knows what to do with your recordings Remida Sesion Manage Pialilek Runa Pialle Guaninal nia nviker 1 The Load Section The Manage Screen In the Load section you specify how much load is to be created When Tsung
7. runs it simulates users and each user executes one of the recorded Sessions The amount of time it spends creating users is specified in the Arrival Phase portion During this Arrival Phase it creates users A new user is created at each interval of the Interarrival Duration The Tsung documentation has relatively sparse information on the interplay of users arrival phases and interarrival rate Our analysis and experimentation have shown that a fractional value for interarrival rate is required to simulate large traffic volumes During Tsung playback Tsung reports the currently simulated traffic in terms of requests per second and also concurrent simulated users Once the number of simulated users exceeds the number specified in Max Users a new process is spawned Spawning new processes allows the Erlang backend to run some of the processes on other processors and to spawn more than one network connection The default values will generate a hefty amount of traffic Max Users 1024 03 16 2007 03 58 PM Products Sing Tsung Linux Box Wiki http trosper mediawiki index php title Products Sing Arrival Phase 10 minutes Interarrival Duration 0 01 seconds The Sessions Section Here you say which sessions you want tsung to play You should see a drop down selector which contains the names of all of your recorded Sessions Select one and click Add It will be added to the list of Sessions You can also re
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9. to make Tsung easy to use by adding a GUI to the Tsung functionality What is a typical Sing Tsung session like Generally the cycle works like this 1 You go to the Record screen screen and record a Session A Session is a typical use case something you expect a user to do You can record as many of these as you see fit Perhaps there are several different ways you expect your site to be used Record one session for each of these use cases 2 You go to the Manage screen and set up a Profile A Profile describes the type of load 03 16 2007 03 58 PM Products Sing Tsung Linux Box Wiki http trosper mediawiki index php title Products Sing you want generated You tell it which Session s to use to generate the load and set the rates at which users arrive 3 You go to the Run screen and select the Profile you just created You click Run Selected Profile and wait for it to finish While it s running you should be able to see what it s doing by looking in the appropriate log files The appropriate log files are the apache logs on the server that s hosting the application that you are testing 4 You click the Generate Stats Report button to see a number of interesting statistics about the profile that just finished running Screens Record Screen On the Record screen you can record one or more Sessions A Session is a typical use case of your web application The basic idea is to click Record a sessi
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