Very Nice.
Have a nice holiday :-)
On Sun, Oct 26, 2008 at 3:58 PM, Roché Compaan
[EMAIL PROTECTED]wrote:
Hi Fabio
The funkload tests were project specific. I plan to write up my findings
and to do benchmarks on a standard Plone instance and blog about it.
This will unfortunately have to wait since I'm on holiday this week :-)
--
Roché Compaan
Upfront Systems http://www.upfrontsystems.co.za
On Sun, 2008-10-26 at 15:54 -0200, Fabio Rizzo Matos wrote:
Hi Roché,
I can see your funkload profile?
On Sun, Oct 26, 2008 at 3:43 PM, Roché Compaan
[EMAIL PROTECTED] wrote:
On Sat, 2008-10-25 at 09:20 +0200, Hedley Roos wrote:
Have you measures the time needs for some standard
ZCatalog queries
used with a Plone site with the communication overhead
with memcached?
Generally spoken: I think the ZCatalog is in general fast.
Queries using a
fulltext index are known to be more expensive or if you
have to deal with
large resultsets or complex queries.
No I haven't. Roche Compaan has done extensive benchmarking
using
funkload testing plain catalog vs module level cache vs
memcached, but
the tests are more about page serving than catalog query
time. I'll
ask him to comment more on that.
I actually did some profiling as well and catalog searches
were just too
damn slow. The average execution time for searchResults was
100
milliseconds and this is why I told Hedley we should do some
caching at
query level in the first place. I experimented with this idea
a couple
of years back but wasn't successful due to inexperience. I was
trying to
cache brains which obviously leads to persistency bugs. This
time around
it was obvious to me that we should cache the IISet result
sets.
I suspect specific indexes are just performing suboptimally
and needs to
be improved. ExtendPathIndex in Plone seems to be one of them.
The effect on performance is really awesome, now we just need
to fine
tune the implementation.
--
Roché Compaan
Upfront Systems
http://www.upfrontsystems.co.za
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ThreePointsWeb
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ThreePointsWeb
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