[Zope] Threading, dtml and performance?!

[Chris McDonough]

Tony,

I wonder if you'd experience the same results with a different Python 
version?  Do you have an "old" copy of your site that uses Zope 2.3.3 + 
Python 1.5.2?

Tony McDonald wrote:
> On 24/10/01 1:23 pm, "Chris McDonough" <chrism@digicool.com> wrote:
> 
> 
>>The output of the DTML method isn't important, but if you ran it and it
>>took a while (> 5 seconds or so), but then at the same time it was
>>running, you visited a page in the mgmt interface and that operation
>>took .83 seconds, that's the number that's important.. that lets us know
>>that MP Linux systems aren't "freezing" like Solaris systems.  However,
>>if you ran this method, and you couldn't do anything on the system until
>>it finished, there would be a problem.
>>
>>
> 
> Ok more data points.
> 
> I downloaded the Solaris binary distribution from the Zope site, extracted
> the python from that and moved it to /usr/local/bin/python-thread
> 
> I then started up my test site so;
> exec /usr/local/bin/python-thread  $WHERE_ZOPE_LIVES/z2.py -X -w54321   "$@"
> 
> (extraneous stuff removed).
> 
> I started off Olivers script and then tried to view another page on this
> site - no go :(
> 
> For completeness I kicked off a Zope2.4.0 instance on my MacOS-X TiPb and
> started off Olivers script again. I could easily select other pages on that
> site.
> 
> I'm looking through various archives on Solaris, python and threading, but
> I'm no guru so this is bloody hard :(
> 
> I added 
> LD_FLAGS = -lpthread
> To the python2.1 Makefile and moved the resultant python to
> /usr/local/bin/python-thread
> 
> Same result, ie site is locked up whilst the long running dtml method was
> running.
> 
> I'm baffled and *really* hoping I can sort this out, as once it's sorted, I
> guess I can expect to see something like 7 times the performance I have been
> getting on our sites (7 threads by default - I think).
> 
> Going quietly doo-lally here....
> Tone.
> 


-- 
Chris McDonough                    Zope Corporation
http://www.zope.org             http://www.zope.com
"Killing hundreds of birds with thousands of stones"