On Jan 22, 2008, at 23:33 , Peter Bengtsson wrote:
On 22/01/2008, Dieter Maurer <[EMAIL PROTECTED]> wrote:
Peter Bengtsson wrote at 2008-1-22 15:23 +0000:
Perhaps I'm wrong but I suspect that a Zope I'm running is dying
of running out of threads.
This is very unlikely. It may no longer respond when all its threads
are working -- but it will not die for this reason.
By dying I don't mean crashing and stopping but instead staying up and
running but not responding to anything. Like a coma.
This symptom, especially when these "hanging" threads cause no load at
all on the system, certainly point to connections to outside systems
that do not respond for some reason. I have seen this issue with Zope
instances that make HTTP calls to other systems, or even with a
hanging LDAP server which accepted connections from Zope but never
returned. Any software that makes outgoing network connections from
Zope is a potential suspect.
GDB can help you determine where the hanging condition originates.
Here's some links:
Zope maillist - Zope@zope.org
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