about fragmentation (of free disk space)
Justin C. Walker
justin at mac.com
Wed Oct 14 21:10:23 PDT 2015
On Oct 14, 2015, at 13:42 , Dave Horsfall wrote:
> On Sun, 11 Oct 2015, Justin C. Walker wrote:
>>> Unix[tm] has been doing that for years (ISTR that it was even in
>>> Edition 5); has Apple only just caught up?
>> The disk/paging/FS code is far beyond what Edition 5 (or System 5) was
>> doing. For sure, they did try to stream back then, but the code is much
>> more sophisticated these days (and I expect that OS X is not alone,
>> although I don't follow what's up on the Linux side).
> Not Sys 5, but good ol' Edition 5, back in 1975 or so.
I got that part, and
> And I'm sure that Linux has pre-read as well.
As I implied...
This ain't unique; there are people working on performance issues for all of these (unixy) systems. It's gone way beyond what good ol' Ed 5 did (which I used back at NBS...).
Justin C. Walker, Curmudgeon at Large
Institute for the Absorption of Federal Funds
My wife 'n kids 'n dogs are gone,
I can't get Jesus on the phone,
But Ol' Milwaukee's Best is my best friend.
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