Core Data nested managed object contexts and frequent deadlocks / freezes

Question

I have a problem that is almost identical to the problem described by this person here, but it hasn\'t get answered:

http://www.cocoabuilder.com/arc

Answer 1

I just wanted to chime in and agree completely with avoiding nested contexts. I've been working in iOS 7 with nested contexts (main queue child and private queue parent) and NSFetchedResultsControllers and had an impossible to fix deadlock issue. I switched over to using independent MOCs and save notifications and the issue disappeared.

If anyone needs a quick guide for how to change their code over, this page has code that's ready to go (just ignore the nested context recommendation):

http://www.cocoanetics.com/2012/07/multi-context-coredata/