Just in case it is relevant, over on the jetty-support mailing list they are attempting to track down something like what you are experiencing. Do you happen to be using Jetty as your servlet container?
Scott -- Scott Eade Backstage Technologies Pty. Ltd. http://www.backstagetech.com.au .Mac Chat/AIM: seade at mac dot com On 19/01/2003 3:03 AM, "Matt Woodworth" <[EMAIL PROTECTED]> wrote: > Friends, > > We're just about finished building a semi-large web app (~500 classes) > but we're having problems during our load test. The load tests have > scripts (we're using load runner) that perform a series of actions > (screen loads, posts, etc.) for a given user. When he's finished doing > his thing, he stops. Different groups of users do different things. A > user from one group would be unable to perform an action that another > group can perform. > > The trouble is, we're seeing that users in group A are attempting to > perform actions that only group b can do. There is *no* chance that > it's a problem is the load runner script. They are fairly > straightforward to check. This only happens under load. We can have 10 > users on the system for hours and hours and never see a problem. If we > raise that to 30 users we'll get the problem in a minute or two. > > Our current theory is that somehow, sessions are getting crossed/mixed > or whatever between users. Turbine is performing an action for me when > it was you who requested it. This ties into another problem we're > having. If two users from group b perform the same action, sometimes a > user gets the data from a different user. This seems to be a different > symptom of the same problem. User A gets the results of user B's request. > > I have another hint. Increasing the services.PoolService.pool.capacity > setting from 128 to 512 seems to have fixed the problem (or at least > moved it up to beyond 70+ concurrent users, the current stopping place > for our load test). > > Does anybody know how to actually cure this problem, instead of simply > pushing it up like I've done so far? > > Matt Woodworth > > PPS I had orginally sent this to the wrong mailing list. If you also > noticed this question going to turbine-dev please don't think of me as a > spammer or wicked cross poster. It was just a mistake. > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
