Re: [Leo] Strange Core Data vs. Spotlight issue
Re: [Leo] Strange Core Data vs. Spotlight issue
- Subject: Re: [Leo] Strange Core Data vs. Spotlight issue
- From: Adam Knight <email@hidden>
- Date: Thu, 8 Nov 2007 15:11:43 -0600
On Nov 8, 2007, at 2:27 PM, Ben Trumbull wrote:
At 9:52 AM -0800 11/8/07, email@hidden wrote:
However the very strange thing is that I don't use Spotlight at
all. I use Core Data in a document-based application that's not
saving files when this is happening.
That's strange ... inconceivable. Core Data doesn't do anything
special with or for Spotlight.
That's what I was thinking, but the system performed otherwise.
Have you checked the console log ? I've found if an app logs
constantly (sometimes from throwing exceptions) that it can really
degrade the system performance.
Yeah, nothing there.
What other I/O operations is your app doing besides reading an
NSData ? Are you creating or deleting a lot of files ?
Absolutely nothing with the filesystem goes on when changing notes
other than a possible CD fault. Though, in theory, it should keep
that object in memory for a period of time but this issue appears even
when going to and fro between two notes that should already be in
memory. Indeed, it happened on an unsaved store as well (which is
even less possible...).
You could also try stepping along through gdb and seeing what area
of code appears to trigger spotlight. Without symbols, frustrating,
but you might be able to gleam something.
That does appear to be the next route. Well, that and a lot of time
in Instruments. However a co-worker of mine doesn't see this issue at
all, so it's getting more and more strange that my two computers see
it (one an upgrade install from Tiger and one a non-preserving archive
install from a previous Leo). I'll keep poking around, I suppose.
Very strange...
Adam Knight
codepoetry - http://www.codepoetry.net/products/
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