I doubt that jmeter does a good job of simulating content retrieval from the standpoint of being able to predict total response times for complete pages. Different browsers, (e.g., IE vs Firefox), have different rules with respect to how many parallel embedded content requests they will do when requesting content. Hence the browsers themselves will have different response times when downloading a complete web page. Hence jmeter would need to have a way to simulate "IE-like" or "Firefox-like" behavior in this regard if it wanted to do a good job at this.
Jmeter also does not make it easy to simulate browser caching of embedded objects. With the checkbox, it is an all or nothing proposition. On my website, virtually all of the embedded content that gets used by all the pages is downloaded with the first page that is hit on the site. This means that all successive page request response times are defined by the time required to simply download the html page. Hence we do 99% of our performance characterization by leaving the content box unchecked. Cheers, Alan -----Original Message----- From: Matthew Coventon [mailto:[EMAIL PROTECTED] Sent: Friday, June 01, 2007 6:51 AM To: 'JMeter Users List' Subject: RE: Page download time calculation from Aggregate graph report JMeter doesn't automatically download resources. There is a checkbox on the HTTP Sampler (and the HTTP Request Defaults) to tell JMeter to download all resources for the page. But note, this would ignore the fact that a browser would be cacheing many of these resources. In addition JMeter will not execute any javascript, so if you want some Ajax requests you will have to create HTTP Samplers for those. You can use a Transaction Controller to group all of the HTTP Samplers for a page. This controller will generate a sample with the total time for all it's children. Regards, Matt C. -----Original Message----- From: Rsekhar [mailto:[EMAIL PROTECTED] Sent: Friday, June 01, 2007 2:22 AM To: jmeter-user@jakarta.apache.org Subject: Page download time calculation from Aggregate graph report Hi All, How to calculate the page download time that has some css, js, gif and png components, along with an Ajax component. When JMeter executes, even if these requests may have been sent one after the other, we may get the responses in parallel. So how would I calculate the total time taken to load the page from report (which is actually made up by the sum of these components)? Any help would be greatly appreciated. Thanks Raja -- View this message in context: http://www.nabble.com/Page-download-time-calculation-from-Aggregate-grap h-re port-tf3850743.html#a10907939 Sent from the JMeter - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
