very, very slow on Mac Mini

Bob Sneidar bobsneidar at
Thu Apr 3 20:57:11 EDT 2014

One thing that can cause really bad performance (but you would see this happen globally for all apps) is that if there are bad sectors on the hard drive, writes to the bad sector(s) will cause the OS to attempt to move the data to another and lock out the bad. This is a super high priority event, even higher than mouse and keyboard events, and if the procedure fails, the next time a write to that sector is attempted, the same thing can happen. 

I’d backup and then do some disk checking. 


On Mar 31, 2014, at 17:12 , Dr. Hawkins <dochawk at> wrote:

> My application performs snappily on my iMac and powerbook, both with 16gb.
> On the mini, though, it turns to molasses.  As in taking several seconds to
> turn a from one fairly simple card to the next, which is instantaneous in
> either the IDE or a standalone on the other two.  It's a slower machine,
> but not *that* much slower.
> And this was the only loaded application.
> -- 
> Dr. Richard E. Hawkins, Esq.
> (702) 508-8462
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