On 14/03/12 12:34, Laurence Rowe wrote:
I've certainly never observed anything like this. Martin's performance tests
from a few years ago showed that performing the transform in process was
faster than doing so in a proxy. For Plone, plone.app.theming is the
recommended deployment mechanism.

There's not really enough information here to know why this might be
happening. If you can isolate it and turn it into something I can easily
reproduce in a standard plone.app.theming build I'll take a look.

I made some additional profiling using a development buildout in my machine and now I'm more confused:

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
53 9.218 0.174 12.062 0.228 transform.py:200(transformIterable)

so, time spent on a laptop running with low memory in development mode is half than time on a dedicated server running plenty of memory in production mode; this doesn't make sense.

could it be some issue with the lxml installed on the server? some issue with it's compilation?

BTW, I'm running Plone 4.1.3, Dexterity 1.1, plone.app.theming 1.0b9 and lxml 2.3 on my machine.

I will confirm current versions on the server later.

best regards

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