[ZODB-Dev] ZODB + ZEO performances problem

2008-07-16 Thread Thierry Florac
Hi, I'm currently trying to migrate an old Zope-2.6.1 application to Zope-2.9.9. The new application platform is a Sun Sparc Solaris 10 server (dual processors). Application setup includes a ZEO server managing two databases (a main one for common data and a catalog to store catalog), and two

Re: [ZODB-Dev] ZODB + ZEO performances problem

2008-07-16 Thread Alan Runyan
- sometimes (but most often under quite heavy load) the Zope clients completely hang and stop responding, without any access or error log, and without any disk or CPU activity. I suppose it's a kind of deadlock, how can I detect the source of the problem ? this isnt a zodb specific question.