LoadTracer
- 1. LOADTRACER - Introduction:- GUI-based Tool for Performance, Load, Stress and Scalability testing of Web Applications / Websites. A unique tool fully developed in testing perspective. Generate virtual users as many as you want to hit your web server. Simulate multiple instances of web client accessing a Web Server. Test your web application effectively under various load or stress condition. Parameterize the test script to generate unique data for each virtual user. Add response validation to validate server response. LOADTRACER - Overview:- LoadTracer is one of the best web performance testing tools developed by Trace Technologies Pvt Ltd. It is very user friendly tool used for web application / website load, stress and performance testing. This tool is also be effectively used for performance monitoring & management. In LoadTracer, testing is done just like other web load testing tool available in the market i.e., Recording the script and Playback with hundreds of virtual users. In addition to that, we are doing performance testing in which we can log all application performance monitoring using given performance counters. This tool uses various techniques to create load on web server as real user does. HTTP data, Performance data are collected during the test simulation, which is further used with analyzer to generate graphs, reports which can be exported into different formats. T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 2. LOADTRACER - Features:- FEATURES DESCRIPTION Web based It is completely a web application tool. Compatibility Internet Explorer, Firefox, Netscape Navigator, and others Operating System ALL WINDOWS CLIENT AND SERVER PLATFORM Cookie Support automatic cookie handling URL selection Script can be customized by selecting and deselecting necessary URL for test run Http, Https, proxy Supports proxy and HTTP redirects. Both Recorder and Simulator support proxy connection. Reports Reports are generated in many formats like graph, tabular for better analysis. Clear and unambiguous reports are generated as html. Scripts Simulation Script can be simulated in sequentially or concurrently Script Details Client header, Server header, and HTML pages can be view from recorder Think time Think time and random delays can be given for virtual clients. Think time modification support Multiple server At same time multiple servers testing is possible. Iteration can be implemented in two ways by Number and by Time Iteration Same scenario can be executed iteratively for any number of virtual clients Readability To enhance the speed of the automation process readability of the scripts is made very easy. The scripts are generated in such a way that even a new tester also can find easy to understand. Modification can be done by using the properties for each objects and controls. Synchronization Supports the synchronization for various testing steps Real User Simulation By configuring all the attributes for virtual client accurate simulation of load created by a real user. Vuser Status Status of each virtual user can be view during test run. Vuser Detail After completion of test run detail status of each vusers can be viewed Parameterization Each virtual client can be parameterized to have its own unique data. Two type of parameterization is supported, Manual entry and Auto Generation T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 3. Multithreading Each virtual client’s runs on its own thread. Independent of the other threads having its own cookie and data. This feature enables us to simulate an accurate load created by real user. Record and play back Record and play back feature for single and multi-users are supported. Scheduling Vuser can be released in ramp up manner make it to run for specified amount of time using vusers scheduler. LOGS Logs of each virtual user can be captured with different options. Logs are generated each and every step based on log level. (0,1,2,3). Level 0 indicates no logs, level 1 indicated low level, level 2 indicates medium level and 3 indicates high level logs will be generated. Performance Monitors All the action and events by real users and virtual clients can be monitored with this option. This allows in effective performance analysis Portability Scripts can be ported from one machine to other machine Performance Counters While simulating virtual users performance counters can also be added and record the performance log separately Recorder - Reports Brief report and Detail reports can be generated from LoadTracer Recorder in HTML format Graphs Analyzer displays many types of graphs with zooming capabilities Analyzer - Reports Many types of report and graphs can be generated in HTML and CSV format. Results can be published as HTML pages or excel pages. LOADTRACER Stages – 1.Recorder 2.Simulator 3.Analyzer:- The RECORDER sits between client and server. It traps all the request and response from the client and server and generates script. During this recording session itself, the RECORDER generates a detailed report for different parameters like request time, response time, number of bytes sent and number of bytes received. This script can be modified for parameterization and correction as per the requirement using menu option. It can be played back. T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 4. In SIMULATOR, this recorded script is used for simulating the virtual client. The number of clients and the other parameters like think time, iteration, proxy settings, cookie usage, etc., can be specified in SIMULATOR setting. By executing the script, SIMULATOR hits the server with the specified requirements. All the virtual clients can be controlled by SIMULATOR. Each virtual clients will run on a separate thread and carrying its own data and other parameter simulating real user environment. The result of all virtual clients is stored in separate file. During the execution, SIMULATOR collects all the data for every virtual clients and data for all counters. These raw data is sent to ANALYZER. The ANALYZER will analyze all the counters and virtual users’ data and generate a detailed report. The report can be generated in many formats like tabular, graphical. All the reports are stored in html pages. Reports can be exported to Excel. Snapshot – Recorder:- T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 5. Snapshot – Simulator:- Snapshot – Analyzer:- T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 6. LOADTRACER – Test Flow:- T r a c e T e c h n o l o g i e s P v t L t d Page 1 Using ANALYZER, analyze the raw data and investigate for any problems. Generate the report. Update test documents. ANALYSIS Gather all test requirements. Plan for test scenario. Creating test plan. Review the test documents and Base line. TEST PLAN L O A D T R A C E R - T E S T I N G F L O W Environmental setup. Visit the pages as per the requirement and generate the test script-using RECORDER. Playback the script for correctness. Modify the scripts for any changes or parameterization. Cover the entire scenario as per the plan. Update the test documents. RECORD SCENARIO Set the monitors and counters. With the recorded scripts simulate the virtual clients and hit the server by using SIMULATOR for planned number of virtual clients. Collect the raw data. Update the test documents. SIMULATION
- 7. WHY YOU SHOULD BUY LOADTRACER? 1. Ease of Use:- Most of the load testing tools is complicated to testers Scripts are generated while recording the user actions. Requires expertise to develop and modify the recorded script. Difficult process to parameterize. Testers have to learn the scripting language and then only they can use the tool efficiently. All the above difficulties are solved with LOADTRACER. No need to learn any scripting or programming for recording client action, modification, parameterization and any other transaction. Powerful options are provided through GUI interface for parameterization and modification. Any enhancement can be done from menu option. Testers can use Loadtracer efficiently from first day itself. Simplicity and ease of use are backbone for LoadTracer. 2. Light Weight:- Most of the load testing tools is big size put heavy load (extra burden) on operating system affecting performance measurement. Making the size of the Loadtracer very less reduces the extra burden on Operating. (Just 2 MB) T r a c e T e c h n o l o g i e s P v t L t d Page 1
- 8. Since it is developed entirely in “C” language using windows API, it makes use of running OS components thereby reducing the extra burden on OS considerably. 3. Virtual Users:- Thousands of virtual users can be generated using LoadTracer. 4. Remote Execution:- Remote execution of load testing can be done. 5. Hits per second:- The LoadTracer is multithreaded application. For every user, it creates separate thread considering all the attributes to make it like a real user for the server. Hence the rate of hits per second is considerably more when compared to other available load testing tools. 6. Reports:- Reports are developed mainly in testers and management perspective. Necessary reports which are understandable at first look itself are provided. 7. Experience:- The people who developed the LoadTracer have more than 10 years of performance, load, and stress testing experience. This tool was developed after analysing and understanding many difficulties in the available load testing tools. Most of the available tools are in developer’s perspective. There is a great amount of difference in developers and testers perspective. A tester looks things as a whole and destructive point of view. Normally developer’s looks in constructive point of view omitting tester’s difficulties. So ordinary person who has just computer literacy could use the LoadTracer. NO extra knowledge is needed. 8. Reliability:- The targeted audiences are not only testers but also end users. It can be used in corporate as well as by an owner of a ‘CAR’ website. He himself can use this tool and predict what the maximum load his website can handle. **** End **** T r a c e T e c h n o l o g i e s P v t L t d Page 1