[ZODB-Dev] zodb 3.9.6 performance tuning?

2010-10-12 Thread Chris Withers
Hi, After recently moving a medium-sized customer project from Zope 2.9.8 to Zope 2.12.7 sitting on ZODB 3.9.6 by way of zeoraid b7, I'm now seeing some fairly weird and bad behaviour that we didn't have before. So, everything was fine after the migration. However, today I turned on a batch

Re: [ZODB-Dev] zodb 3.9.6 performance tuning?

2010-10-12 Thread Christian Theune
On 10/12/2010 05:14 PM, Chris Withers wrote: Hi, After recently moving a medium-sized customer project from Zope 2.9.8 to Zope 2.12.7 sitting on ZODB 3.9.6 by way of zeoraid b7, I'm now seeing some fairly weird and bad behaviour that we didn't have before. So, everything was fine after the

[ZODB-Dev] persistent client caches okay to use again in ZODB 3.9.6?

2010-10-12 Thread Chris Withers
Hi All, I'm wondering if some of my issues might be alleviated by persistent client caches. Now, I have the impression that these were unreliable and buggy and had been so for some time. Is this still the case? If not, where are the docs on how to configure them nowadays? cheers, Chris --

Re: [ZODB-Dev] persistent client caches okay to use again in ZODB 3.9.6?

2010-10-12 Thread Alan Runyan
I'm wondering if some of my issues might be alleviated by persistent client caches. anything is possible. Now, I have the impression that these were unreliable and buggy and had been so for some time. they appear to be more stable now. we use them on several customer's in very specific

Re: [ZODB-Dev] persistent client caches okay to use again in ZODB 3.9.6?

2010-10-12 Thread Jim Fulton
On Tue, Oct 12, 2010 at 11:33 AM, Chris Withers ch...@simplistix.co.uk wrote: Hi All, I'm wondering if some of my issues might be alleviated by persistent client caches. Now, I have the impression that these were unreliable and buggy and had been so for some time. They became much better

Re: [ZODB-Dev] persistent client caches okay to use again in ZODB 3.9.6?

2010-10-12 Thread Chris Withers
On 12/10/2010 17:11, Jim Fulton wrote: Now, I have the impression that these were unreliable and buggy and had been so for some time. They became much better in later 3.8 releases and still much better lately. We've been using them in production for quite a while. Any docs on recommended

Re: [ZODB-Dev] persistent client caches okay to use again in ZODB 3.9.6?

2010-10-12 Thread Jim Fulton
On Tue, Oct 12, 2010 at 12:25 PM, Chris Withers ch...@simplistix.co.uk wrote: On 12/10/2010 17:11, Jim Fulton wrote: Now, I have the impression that these were unreliable and buggy and had been so for some time. They became much better in later 3.8 releases and still much better lately.