Posted: January 4th, 2010 | Author: TnT Admin | Filed under: Tools | Tags: Add-Ons, Analyze, Bottleneck, firefox | No Comments »
YSlow, another popular client-side performance profiling tool for web applications, is an add-on for Firefox. With YSlow, you will be able to determine how fast (or slow) your web page is loading, breaking down to the individual components on the web page. One thing to note, YSlow requires another add-on, Firebug to be installed in Firefox before you can install it. With YSlow you can use to determine the following website performance problems: Read the rest of this entry »
Posted: December 30th, 2009 | Author: TnT Admin | Filed under: Tools | Tags: Bottleneck, firefox, internet explorer, plugins, profiling, web | No Comments »
If you need to profile the performance of your web page, HTTPWatch is the tool (plugin) you can count on to do it. With HTTPWatch, not only can you determine the load time of the web page (web performance profiling), you can also determine the time taken for loading each individual object. Through this you can determine if there are bottlenecks or under-optimized setting for the web server and apply the corrective resolution to it. Read the rest of this entry »
Posted: December 20th, 2009 | Author: TnT Admin | Filed under: Tools | Tags: Add-Ons, automation, firefox, functional | No Comments »
iMacro from iOpus is a popular web automation add-on for Firefox. For Firefox fans, you will be delighted with the features in iMacro that frees you from the mandate and boring work you need to perform on your web application. If you need to automate your activities on the web-browser, you can use iMacro to do the job for you. Moreover, you can use this automation for your functional testing needs by passing various variables into the web application. Read the rest of this entry »
Posted: August 28th, 2009 | Author: TnT Admin | Filed under: How-Tos | Tags: functions, Scripting | No Comments »
Often there is a need to verify the validity of the file being downloaded by the script. Under normal circumstances, if the file is a PDF or excel file, it will be returned/transmitted in binary (when you turned on replay log). In this way, unlike conventional functional tool, LoadRunner is unable to verify if the file downloaded is valid. Read the rest of this entry »
Posted: January 29th, 2009 | Author: TnT Admin | Filed under: Concepts | Tags: processor, Windows | No Comments »
As we know, a multiprogramming OS switches the processor back and forth between all the program threads that are executing. When the current thread blocks, usually due to I/O, the Windows Scheduler finds another thread that is ready to run and schedules it for execution. If no threads are ready to run, Windows schedules a thread associated with the System Idle process to run instead. When an I/O operation completes, a blocked thread becomes eligible to run again. This scheme means that threads alternate back and forth between the two states: a ready state, where a thread is eligible to execute instructions, and a blocked state. A blocked thread is waiting for some system event that signals that the transition from waiting to ready can occur.
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