Re: Proposed change to sample results for "download embedded resources"

[sebb <se...@gmail.com>]

2010/7/8 Andrey Pohilko <ap...@fininfor.ru>:
> A little bit complex question. Could you explain what we get in in following
> scenario: "When I request page http://google.com/red/ that redirects me to
> http://google.com/fin/ , I'll get parent sample blah blah" ? What will I
> have in parent sample and what in child samples?

I don't propose to change the way redirects are presented.

Request fin (bytes, elapsed = red+fin)
+ red (only)
+ fin (only)

As I wrote, the parent sample will be the final sample, except for
bytes and elapsed.

> С уважением,
> Андрей Похилько
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: Wednesday, July 07, 2010 8:57 PM
> To: JMeter Users List
> Subject: Proposed change to sample results for "download embedded resources"
>
> When using the HTTP samplers, both "follow redirects" and "download
> embedded resources" can generate multiple samples.
> These samples are presented as a parent sample with child samples
> which are used for the additional requests.
> The parent sample data is from the main response, but the parent
> sample size [1] and elapsed time are for the overall transaction.
>
> In the case of "follow redirects", the child samples consist of all
> the request responses, including the final non-redirected response.
>
> However, in the case of "download embedded resources", only the
> embedded resources are added as child samples.
> There is no child sample that corresponds with the main page that was
> originally requested.
> The elapsed time and byte count for the main page are not directly
> available anywhere. [2]
>
> It seems to me that the sample results should really be consistent.
> I.e in both cases all responses should be shown as child samples, and
> the parent sample should reflect the overall size and elapsed time.
> The parent sample should still contain the data from the requested
> resource, otherwise Assertions and PostProcessors will break.
>
> Any views on this? Is it OK to change JMeter, or will that cause any
> problems?
>
> [1] At least that was the intention - as per Bug 45053 the initial
> response data bytes for "follow redirects" are counted twice.
> [2] The byte count can be derived by subtracting the other sample
> sizes, and the elapsed time can be estimated by looking at the start
> time of the first subsample.
>
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