[Zope] Zope slooooowww. NO, but CMF is and Plone is worse (Benchmarks inside)

[Ron Arts]

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Well,

Pentium-class 233 MHZ machine with 128MB, IDE disk:
It's not a fast machine, but zope runs ok on it.
Here are some benchmarks (ab -n 100 -c 5)

Zope homepage:
Requests per second:    5.86 [#/sec] (mean)
Time per request:       852.95 [ms] (mean)

CMFSite homepage:
Requests per second:    1.01 [#/sec] (mean)
Time per request:       4967.70 [ms] (mean)

Plone Homepage:
Requests per second:    0.23 [#/sec] (mean)
Time per request:       21858.70 [ms] (mean)

Zope itself can do almost 6 req/second on this machine.
CMFSite goes down to 1 req/sec. I am told this is due to ZPT.

After Plone installation, zope restart takes a full 7 minutes!
Running plone.setup takes 368 seconds

Plone makes Zope 25 times as slow. Even unbearably so on
this hardware.

On another machine (Dual 1GHz, 1GByte RAM, SCSI RAID-1)

Zope homepage:
Requests per second:    84.60 [#/sec] (mean)
Time per request:       59.10 [ms] (mean)

CMFSite Homepage:
Requests per second:    17.13 [#/sec] (mean)
Time per request:       291.90 [ms] (mean)

After Plone install zope restart takes 15 seconds
Running Plone setup takes 20 seconds

Plone Homepage:
Requests per second:    3.99 [#/sec] (mean)
Time per request:       1253.65 [ms] (mean)

Plone makes Zope 21 time as slow on this machine

Even a fast dual pentium machine can only serve 4
(relatively simple) Plone requests per second.

I think this will be a showstoper for actual
deployment in many cases.

Regards,
Ron Arts


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