Re: Safe to Delete Photos.app?

From	Snit <usenet@gallopinginsanity.com>
Newsgroups	comp.sys.mac.system
Subject	Re: Safe to Delete Photos.app?
Date	2015-10-08 11:23 -0700
Message-ID	<D23C02A5.5F850%usenet@gallopinginsanity.com> (permalink)
References	(12 earlier) <081020150013338406%nospam@nospam.invalid> <D23BE07D.5F7C8%usenet@gallopinginsanity.com> <081020151219390019%nospam@nospam.invalid> <D23BFE85.5F82A%usenet@gallopinginsanity.com> <081020151411171897%nospam@nospam.invalid>

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On 10/8/15, 11:11 AM, in article 081020151411171897%nospam@nospam.invalid,
"nospam" <nospam@nospam.invalid> wrote:

> 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.

Could be. Would love to see a good source that shows one way or the other.
As I said, I really do not know.

>>>> 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.

Right.

> 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.

I use a few VMs. I suspect that would reduce its value. Not a lot of files
but big ones with that. Plus I use quite a few small files.

-- 
* OS X / Linux: What is a file?     <http://youtu.be/_dMbXGLW9PI>
* Mint MATE Trash, Panel, Menu:     <http://youtu.be/C0y74FIf7uE>
* Mint KDE working with folders:    <http://youtu.be/7C9nvniOoE0>
* Mint KDE creating files:          <http://youtu.be/N7-fZJaJUv8>
* Mint KDE help:                    <http://youtu.be/3ikizUd3sa8>
* Mint KDE general navigation:      <http://youtu.be/t9y14yZtQuI>
* Mint KDE bugs or Easter eggs?     <http://youtu.be/CU-whJQvtfA>
* Easy on OS X / Hard on Linux:     <http://youtu.be/D3BPWANQoIk>
* OS / Word Processor Comparison:   <http://youtu.be/w6Qcl-w7s5c>

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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? Huge <Huge@nowhere.much.invalid> - 2015-10-11 16:32 +0000
          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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