>> Do you have keyShadow set as indexed in the model? If not, you probably want >> to give that a try. > > Yeah, the key is indexed (as I pointed out in the original post :-))
Heh, I re-read your post like four times and only just now saw that notation. Whoops. >> If you have all of the keys up front (i.e. this is a big batch update or >> insert from the Web Service data), you might consider loading all of the >> records at once and then using a predicate to find what you need. Something >> like: > > I do. I was thinking about this last night. I'm concerned that this may > require too much memory, and building a string of 6400 IDs for the query to > then format...sounds expensive. It's possible that doing them all in one hit might be too much… As with most workloads, you may need to experiment to find a happy medium. > Can one build IN queries directly? I'm not entirely sure I know what you mean by 'directly' in this context. > I currently download on a separate thread, then call back to the main thread > for each record. The intent was avoid doing Core Data work on a separate > thread, and keep the UI responsive. But that doesn't really enable the second > core, and it adds a lot of overhead. Maybe it's time to do the Core Data on > the second thread, too. Pretty sure that will require substantial changes to > the way my UI keeps up with updates. GCD, along with the Core Data changes in iOS 5 and 6 for handling concurrency, make this much easier than it used to be (or at least cleaner and harder to screw up as badly). _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
