On 1/26/10 12:15 PM, Eyal Redler said: >I'm working on a NSPersistentDocument based application. My data model >is quite simple, the main entity contains a few strings, ints and >dates and there is an array (one to many relationship) of another >simple entity. >The document window contains an NSTableView that displays all the main >entities (using an NSArrayController) >Everything seems to be working ok except that when I open a large >document (20k records) for the first time in a session (after a >restart), it takes a few minutes of spinning wheel for the data to >show. If I close the document and then re-open I usually get an >instant response. The format is sqlite. >Following is an Activity Monitor sample taken during this long >process. I also tried to monitor this using Instruments and saw >nothing interesting - only one fetch. >I'm really stuck with this, I would appreciate any ideas or pointers...
Instrument.app has features specifically for Core Data-related performance measurements. I've never used them seriously, so can't really comment further. Also, note that the Instruments docs have not been updated for 10.6 (still! :() so that complicates learning. -- ____________________________________________________________ Sean McBride, B. Eng s...@rogue-research.com Rogue Research www.rogue-research.com Mac Software Developer Montréal, Québec, Canada _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
