All since the time could differ for the scenarios discrimed, I suhgest
to have a matrix measure all the different steps discrimed by Tom
Regards Christian
Christian Kennerknecht (I)
On Apr 15, 2009, at 6:55 AM, Tom Mueller <Tom.Mueller_at_Sun.COM> wrote:
> Karen,
>
> Can you please provide the details of what packages were involved in
> the test?
>
> By starting the timing for updatetool installation after the license
> dialog, the test is not including the time for constructing the
> installation plan. However, the method for measuring the CLI is
> always including the time for constructing the plan. So if plan
> construction takes quite a bit of time, that could explain the
> difference.
>
> Same with remove. The uninstall plan is created before the remove
> confirmation dialog, so by starting the timing after the OK button
> on that dialog is clicked, the time for constructing the plan is not
> included.
>
> The plan construction is the phase where dependencies are
> evaluated. If the packages that you are installing have many
> dependencies, plan construction can take a significant amount of
> time relative to the rest of the install/remove, especially if the
> downloaded files are already cached in the image so that they don't
> have to be downloaded again.
>
> Thanks.
> Tom
>
>
> Karen Ho wrote:
>>
>> Hi,
>>
>>
>>
>> I found an interesting scenario when comparing the response time of
>> installing / removing components with pkg command and the update
>> tool GUI.
>>
>>
>>
>> When I try to install / remove the same set of components (set of
>> 3) with both the update tool GUI and the pkg command, the elapsed
>> time are similar (based on several trials). However, when I try
>> to install / remove a SINGLE component with both the update tool
>> GUI and the pkg command, the elapsed time resulting from the pkg
>> command is always longer (roughly 3 times longer) than the elapsed
>> time resulting from the update tool GUI.
>>
>>
>>
>> The way I timed for different actions:
>>
>> GUI:
>>
>> - for install: start after accepting the license term
>>
>> - for remove: start after pressing the “OK” button to confirm
>> the removal of the selected component
>>
>> Pkg:
>>
>> - for both install and remove: simply time the whole pkg command
>> call (i.e. add a time flag before and after the pkg command call)
>>
>>
>>
>> I have tested using 2 different single component and recorded at
>> least 5 processing time for each of them for both pkg and GUI
>> tool. They all have similar result (i.e. update tool GUI is
>> roughly 3 times faster than pkg command for SINGLE component
>> installation / removal)
>>
>>
>>
>> Is it a bug or because the update tool GUI has pre-run some
>> processes / cached something before the remove / install so that it
>> can run faster than pkg command? If that’s the case, why is that
>> remove / install with MULTIPLE components does not have this probl
>> em? I am really not sure if my findings are just coincidence or
>> what. Should I file an issue for it?
>>
>>
>>
>>
>>
>> Thanks & Regards,
>>
>> Karen
>>
>
> <Tom_Mueller.vcf>
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