seems we have some bots not properly respecting robots.txt
And there have been quite a few "series" of 200-300 posts being requested at the same time.
Which then causes a ton of requests to bog down the single-Threaded Zope Server. We have tried Multi-threads but it isn't at all safe.
It you notice your web-browser swirling... check out: [link|http://www.gregfolkert.net/stats/uptime.html|Knight's status page] it is the host that z is on.
If that comes up... zing-bang, then it is a Zope Engine verkink extra hard.