-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 schrieb Roy Mathew: > Folks, I am looking for some configuration advice. > > I am running a zope3 application that uses the ZODB. I expect a > peak load of a 100 concurrent users, and am on a *quad* core Intel > Xeon Linux box. Am I better off running 2 or 3 ZEO clients talking > to the app-server (I am assuming that the OS will load balance so > that all processors are utilized well). Or should I not use ZEO at > all, and simply assign a large cache, a large connection pool and > lots of threads to a single process. I am sure that this is an > issue many of you have had to contend with. I would appreciate some > rough idea of what the numbers should be for each of the 2 > scenarios I outline. > The number of worker threads (and clients) basically depends on how much concurrent requests you have. Four worker threads can deal with 100 requests/second when each request can be processed fast. Long running requests will block other requests...so you must measure how long a request takes in average..then you can do your own calculations. The cache size depends on various factors.. you have to check the ZODB activity in order to perform fine-tuning. There is neither a golden bullet nor a recipe for the perfect setup...start with a common setup of two clients or so and see how far you can go...then adjust your parameters over time.
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