Re: Safe to Delete Photos.app?

From	nospam <nospam@nospam.invalid>
Newsgroups	comp.sys.mac.system
Subject	Re: Safe to Delete Photos.app?
Date	2015-10-08 14:11 -0400
Organization	A noiseless patient Spider
Message-ID	<081020151411171897%nospam@nospam.invalid> (permalink)
References	(11 earlier) <D23B3894.5F74C%usenet@gallopinginsanity.com> <081020150013338406%nospam@nospam.invalid> <D23BE07D.5F7C8%usenet@gallopinginsanity.com> <081020151219390019%nospam@nospam.invalid> <D23BFE85.5F82A%usenet@gallopinginsanity.com>

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In article <D23BFE85.5F82A%usenet@gallopinginsanity.com>, Snit
<usenet@gallopinginsanity.com> wrote:

> > hfs doesn't need to do more reads and seeks than any other file system.
> > whoever said that is clueless.
> 
> Not at all an expert in this area and do not vouch for what I found but here
> it is:
> 
>   <http://rixstep.com/2/20031102,00.shtml>
>     -----
>     Every disk access on OS X goes to disk twice. At least twice.
>     That's right: accessing a file under OS X is slow. It has to be.
>     ...
>     The implication of this 'caveat' is that a disk access in Mac OS X
>     requires at least two searches through the catalog file tree: the
>     first to determine the parent folder's CNID (this can be
>     recursive), and the second (or final) to find the file once the
>     CNID of the parent folder can be concatenated with the file name.
>     -----
> 
> Would love to see contrary information.

it's bullshit.

> >> And I will say
> >> that when my computer is doing lots of disk access it tends to slow down.
> > 
> > all computers slow down when doing a lot of disk access because disks
> > are relatively slow.
> > 
> >> Again, might not be as big of a deal with the new Fusion drives which are
> >> faster.
> > 
> > ssd is *way* faster than hard drives. fusion drives are a mixed bag.
> 
> From reviews they MOSTLY give you the speed of SSD in most cases. Which is
> pretty impressive, really.

fusion automatically shuffles commonly used files to the ssd. it's
basically a smart ssd cache. 

if your workflow is with a small subset of files then there will be an
improvement, but if your workflow is with a wide variety of files, then
the difference is minimal.

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Re: Safe to Delete Photos.app? dempson@actrix.gen.nz (David Empson) - 2015-10-07 12:07 +1300
  Re: Safe to Delete Photos.app? Huge <Huge@nowhere.much.invalid> - 2015-10-07 00:30 +0000
    Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-06 20:38 -0400
      Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 00:37 -0400
        Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-07 06:39 -0400
          Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 12:31 -0400
        Re: Safe to Delete Photos.app? dempson@actrix.gen.nz (David Empson) - 2015-10-07 23:40 +1300
  Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-06 21:01 -0400
    Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-07 01:03 +0000
      Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-06 21:05 -0400
        Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-07 01:10 +0000
          Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-06 21:18 -0400
            Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-07 01:25 +0000
        Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 00:45 -0400
      Re: Safe to Delete Photos.app? "Andre G. Isaak" <agisaak@gmail.com> - 2015-10-06 20:28 -0600
      Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-07 08:42 -0400
        Re: Safe to Delete Photos.app? Savageduck <savageduck1@{REMOVESPAM}me.com> - 2015-10-07 06:58 -0700
          Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 12:59 -0400
            Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-07 17:10 +0000
        Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 12:52 -0400
          Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-07 18:49 -0400
            Re: Safe to Delete Photos.app? dempson@actrix.gen.nz (David Empson) - 2015-10-08 13:14 +1300
              Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-08 08:44 -0400
                Re: Safe to Delete Photos.app? John McWilliams <jpmcw@comcast.net> - 2015-10-08 08:08 -0700
                Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-08 13:42 -0400
                Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-08 16:25 -0400
                Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-08 15:49 +0000
                Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-08 16:29 -0400
    Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-06 21:05 -0400
      Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-07 01:12 +0000
        Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 00:46 -0400
    Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-07 00:41 -0400
      Re: Safe to Delete Photos.app? Huge <Huge@nowhere.much.invalid> - 2015-10-08 02:15 +0000
        Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-07 19:41 -0700
          Re: Safe to Delete Photos.app? Huge <Huge@nowhere.much.invalid> - 2015-10-08 02:58 +0000
            Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-07 20:44 -0700
              Re: Safe to Delete Photos.app? Huge <Huge@nowhere.much.invalid> - 2015-10-09 03:57 +0000
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 21:04 -0700
                Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-09 01:51 -0400
                Re: Safe to Delete Photos.app? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-09 06:27 +0000
                Re: Safe to Delete Photos.app? Huge <Huge@nowhere.much.invalid> - 2015-10-09 14:31 +0000
                Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-09 17:38 +0000
                Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-09 13:49 -0400
                Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-09 18:06 +0000
                Re: Safe to Delete Photos.app? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-09 15:15 -0400
                Re: Safe to Delete Photos.app? FPP <fredp151@gmail.com> - 2015-10-09 15:21 -0400
          Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-07 23:00 -0400
            Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-07 21:01 -0700
              Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-08 00:13 -0400
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 08:57 -0700
                Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-08 12:19 -0400
                Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-08 13:44 -0400
                Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-08 13:54 -0400
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 11:05 -0700
                Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-08 14:11 -0400
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 11:23 -0700
                Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-08 20:25 +0000
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 16:41 -0700
                Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-08 14:28 -0400
                Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-08 14:31 -0400
                Re: Safe to Delete Photos.app? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-08 16:09 -0400
                Re: Safe to Delete Photos.app? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-08 22:27 +0000
                Re: Safe to Delete Photos.app? dempson@actrix.gen.nz (David Empson) - 2015-10-09 12:09 +1300
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 17:06 -0700
                Re: Safe to Delete Photos.app? dempson@actrix.gen.nz (David Empson) - 2015-10-09 14:31 +1300
                Re: Safe to Delete Photos.app? Snit <usenet@gallopinginsanity.com> - 2015-10-08 19:06 -0700
        Re: Safe to Delete Photos.app? nospam <nospam@nospam.invalid> - 2015-10-07 23:00 -0400
        Re: Safe to Delete Photos.app? Jolly Roger <jollyroger@pobox.com> - 2015-10-08 17:26 +0000

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