Re: [Zope] large installations and conflict errors

2005-08-09 Thread Andrew Langmead
On Aug 9, 2005, at 7:01 AM, Sascha Ottolski wrote: What we've seen so far: we used to set the cache-size to 250 MB; and every know and than we have to observe that after a restart of a client a cache verification is necessary (while not always obvious, why this happened), which often takes

Re: [Zope] large installations and conflict errors

2005-08-09 Thread Sascha Ottolski
Am Dienstag, 9. August 2005 02:03 schrieb Andrew Langmead: > (on these   > machines, the ZEO client cache is set to 2GB and a cache flip occurs   > maybe twice a week.) I think this part to be quite interesting. We too are experimenting with the optimal cache sizes, where our (daily) packed Data.

Re: [Zope] large installations and conflict errors

2005-08-08 Thread Andrew Langmead
On Aug 8, 2005, at 10:01 AM, M. Krainer wrote: So far our story, but what I really wonder is, if there's anyone out there who has a similar large installation. Please let me know how large your zope instance is and what you have done to increase your (write) performance. Also any ideas that may h

Re: [Zope] large installations and conflict errors

2005-08-08 Thread Andreas Jung
--On 8. August 2005 16:01:13 +0200 "M. Krainer" <[EMAIL PROTECTED]> wrote: Hi! We run a self developed zope product originally based on cmf but highly customized and extended. Our Data.fs now has grown to a (packed) size of > 25GB and we are running more and more into performance troubles (

Re: [Zope] large installations and conflict errors

2005-08-08 Thread Stefan H. Holek
Do you mount your catalog in a separate database? If not, you may want to try this to split up the conflict domains. Multiple catalogs may or may not help. Multiple databases will help more likely, IMO. Stefan On 8. Aug 2005, at 16:01, M. Krainer wrote: Currently we think that our bottle

Re: [Zope] large installations and conflict errors

2005-08-08 Thread Chris McDonough
I can't provide any specific advice but you may want to read the "Scaling Zope" proposal that this points to: http://www.plope.com/Members/chrism/scalingzope/view Note that sessions are a frequent source of conflict errors. If you use them, you may want to upgrade to Zope 2.8.1, which has MVCC f

[Zope] large installations and conflict errors

2005-08-08 Thread M. Krainer
Hi! We run a self developed zope product originally based on cmf but highly customized and extended. Our Data.fs now has grown to a (packed) size of > 25GB and we are running more and more into performance troubles (mostly due to a lot of conflict errors). Our users make a lot of updates, i.e. we