Re: [ZODB-Dev] Fwd: Zope/Plone/Zeo Concurrency Issue

2013-05-29 Thread David Glick (Plone)
On 5/28/13 7:53 PM, Dylan Jay wrote: Hi, My colleague is having the issue outlined below. I thought this list might be better to give an insight as to what is going on? Begin forwarded message: *From: *Adam Terrey a...@pretaweb.com mailto:a...@pretaweb.com *Subject: **Fwd: Zope/Plone/Zeo

Re: [ZODB-Dev] Fwd: Zope/Plone/Zeo Concurrency Issue

2013-05-29 Thread Malthe Borch
It sounds like a race condition. It might be that you've got a very low network latency between the web server and web browser such that there's hardly any time for the invalidation messages to propagate. But just to be certain it's not an issue with system time, check if your entire cluster is

Re: [ZODB-Dev] Fwd: Zope/Plone/Zeo Concurrency Issue

2013-05-29 Thread Roel Bruggink
We've seen this too. We use sticky sessions (using a cookie) as a workaround, like David suggested. On Wed, May 29, 2013 at 8:51 AM, Malthe Borch mbo...@gmail.com wrote: It sounds like a race condition. It might be that you've got a very low network latency between the web server and web