This usually signifies some poorly-written Zope code, perhaps in DTML (but also perhaps in Zope proper or in a Product). It'd be best to try to establish some kind of pattern to the hangups. You can do this by using "big M" logging. - C ----- Original Message ----- From: "Gilles" <gilles.lavaux@esrin.esa.it> To: <zope@zope.org> Sent: Monday, February 11, 2002 7:51 AM Subject: Re: [Zope] httpd processes Hello, As far as I know: If for some reason your zope http request doesn't complete, you end up with all the threads busy, and the site doesn't respond anymore. That's a normal Zope behaviour :-) Gilles ----- Original Message ----- From: "Stephan Goeldi" <stephan_goeldi@hotmail.com> To: <zope@zope.org> Sent: Monday, February 11, 2002 10:35 AM Subject: [Zope] httpd processes

On one of our servers (RedHat 7.0) run about 15 productive Zope instances. Versions from 2.3.3 up to 2.5.0. We combine Apache with Zope. Sometimes,

the

number of httpd processes go up from about 9 processes to over 60 processes. All websites don't response then anymore. A simple httpd restart corrects this problem, and everything is fine again.

Does anybody know of a Zope related issue which is responsible for such behaviour?

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