[Zope] Re: Zope scalabilty and problems

Tres Seaver tseaver at palladion.com
Thu Sep 1 12:11:01 EDT 2005


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Kennamore, Matthew G [NTK] wrote:

> Here is our situation, we originally launched zope with a small user
> base in mind and like most IT implementations it got away from us
> quickly and we have over 1000 users now.  We are experiencing huge
> slowdowns and lots of complaints of performance.
> 
> Let me outline our system:
> 
> I have a load balancer that round robins incoming request to 3 zeo
> servers
> 
> I have 1 zope server on the back en that severs the data, this is a
> large single processor machine with 4 gigs of ram
> 
> Each zeo server is 2 gigs of ram, single processor 3.2 gighz
> 
> The throughput doesn't appear to be the problem as ram/processors
> are.
> 
> Short term I plan to change all zeo's to 4 gigs ram and add 3
> additional servers.
> 
> 
> The Technologies we are using are Zope, Zeo, plone and so forth.  Why
> are we having these large issues?  I see sites with hundreds of
> thousands of users and they don't seem to have these issues?  We plan
> to recode our site to get away from the Data.fs as soon as we can but
> that is a ways off yet.  What am I doing wrong can anyone help?

What versions of Python, Zope, etc. are you running, and on what OS?
Your latest posting (the "blocked transaction" entries in your storage
server logs) sounds like you might be running Zope 2.6.x.


Tres.
- --
===================================================================
Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFDFygV+gerLs4ltQ4RArPjAJ4jda2vJJtQVZHbCGvt4gH7oRa3agCeMbMF
+0jnwU7OXY+kge35A9gny4s=
=3G6a
-----END PGP SIGNATURE-----



More information about the Zope mailing list