[Zope] zope stops responding

[Sours, Kevin]

Have you tried looking at it with the deadlock debugger?  That should
give you an idea of what its actually running (and if the deadlock
debugger is usually responsive even when zope isn't and if it isn't
that's also information).  
Kevin

-----Original Message-----
From: zope-bounces at zope.org [mailto:zope-bounces at zope.org] On Behalf Of
Garry Saddington
Sent: Thursday, July 03, 2008 9:00 AM
To: zope list user
Subject: [Zope] zope stops responding

Following a hard disk crash 2 weeks ago we have installed Zope onto a
new server and all was fine until yesterday morning when Zope stopped
responding and required a restart to get it working. It did the same at
3-30pm today.
We are using Zope 2.9.0 on Centos 5.1 on a quad Zeon server with 4gb.
Ram. At the moment the server is in quite heavy use with teachers trying
to write reports for a deadline tomorrow. These are sent to a Postgres
DB via psycopg.
There is nothing in Z2.log or event.log to point me to the problem. I am
therefore asking for advice on the sorts of things that can cause Zope
to stop responding and whether there is anything we can do to mitigate
against such an event.
Thanks and regards
Garry
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