I have a fairly large zope installation (thousands of users, ~130G combined zeo storages) and have been playing with the check interval. I have a single Xeon 3.2 that runs the show (both ZEO and Zope). I notice that when I set the check-interval at 826 (pystone / 50) the performance is horrible. In my case the lower I set the check interval, the faster the site is (quite significantly). Its not a problem - I'm just curious as to why this is/may be. From reading docs/postings online, it seems to me that the higher the check interval is, the faster the site should be (up to a point -- law of diminishing returns sort of thing). It is completely opposite for me and inquiring minds want to know... Thanks - Matt ________________________________ Matthew E. Kozloski Systems Administrator Specialized Technology Resources, Inc. 10 Water ST Enfield, CT 06082 USA t: 860-749-8371 f: 860-749-8234 e: matthew.kozloski -at- strus.com