On 2011-07-17, at 10:05 PM, Kevin wrote: > > On Jul 13, 2011, at 5:21 PM, Kevin wrote: > >> I have an app that tends to lock up when a particular page is loaded. This >> page fetches and accesses over 1500 records from a FrontBase DB. When the >> problem happens I typically see a broken socket in the webobjects log file, >> and if I look in the FB manager the state column shows "tb swp" where the >> others show only "swp". Also CPU usage is quite high when in this state. It >> will stay this way until I kill it, or the app dies. If I kill that >> transaction and try again, most of the time it will work fine. Sometimes I >> have to restart the app. > > SQL is not my strong suit, but after checking the SQL log and not finding > anything unusual, I ended up upgrading to the latest FrontBase5. Previously I > was running version 4. The upgrade required exporting to flat files and > reimporting, but that was a pretty smooth process. I'm not sure but I think > the export and import may have been the fix, not necessarily the upgrade.
That would have fixed corrupt indexes and any lack of optimization (see Optimize Database; command). > The page now works fine. It takes a while to load the first time, but > subsequent loads are quick. I think it was probably doing that before as well > when it worked, I just didn't see that behavior myself since I was always > loading it after a user complaint. I tried to turn on some caching in FB, but > that didn't seem to make a difference. I think the way the page is built > requires creating a lot of objects in WO so the first load suffers. > > Any pointers on how to circumvent creating all those objects would be > helpful. Not sure if that's possible in this case, but I'd bet some of you > have tricks up your sleeves for that sort of thing. I don't think we can offer any pointers without more details. Chuck -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
