Re: Improved memory management? (10.11)

From	Jolly Roger <jollyroger@pobox.com>
Newsgroups	comp.sys.mac.system
Subject	Re: Improved memory management? (10.11)
Date	2015-10-12 16:43 +0000
Message-ID	<d826a5F2icpU2@mid.individual.net> (permalink)
References	(15 earlier) <-dydnRiSCti2cofLnZ2dnUU7-S2dnZ2d@giganews.com> <slrnn1ma2g.f9b.g.kreme@amelia.local> <VKudnftXRPPVKIbLnZ2dnUU7-VOdnZ2d@giganews.com> <slrnn1nlg0.hr4.g.kreme@amelia.local> <p4OdnSzDf94dfIbLnZ2dnUU7-dWdnZ2d@giganews.com>

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Alan Browne <alan.browne@freelunchvideotron.ca> wrote:
> On 2015-10-12 11:45, Lewis wrote:
>> In message <VKudnftXRPPVKIbLnZ2dnUU7-VOdnZ2d@giganews.com> Alan
>> Browne <alan.browne@freelunchvideotron.ca> wrote:
>>> On 2015-10-11 23:24, Lewis wrote:
>>>> In message <-dydnRiSCti2cofLnZ2dnUU7-S2dnZ2d@giganews.com> Alan
>>>> Browne <alan.browne@freelunchvideotron.ca> wrote:
>>>>> On 2015-10-11 18:58, JF Mezei wrote:
>>>>>> On 2015-10-11 17:13, Alan Browne wrote:
>>>>>> 
>>>>>>> There's an observable improvement: no swaps occur.
>>>>>>> 
>>>>>> 
>>>>>> Unless you know why swaps occured before, you can't really
>>>>>> know about the imporvements. Your appls may simply be running
>>>>>> with less memory and thus perform not as well as if they were
>>>>>> allowed to take more memory (and shove other processes to
>>>>>> disk while doing that memory intensive task)
>>>> 
>>>> 
>>>>> The main indication of an issue is the system slowing down.
>>>>> Lots of memory leaves lots of free memory.  All apps and OS are
>>>>> happy.
>>>> 
>>>> Free RAM is wasted RAM.
>> 
>>> Not if it guarantees that swapping will be reduced or not occur at
>>> all.
>> 
>> Still wrong.
> 
> How can it be wrong.  I've operated this Mac with nice high workloads
> (as needed) over periods of weeks with swap and compression disabled 
> with no discernible effect.
> 
>>> It's a cheap investment (these days) in making a computer run
>>> swiftly because you avoid swaps.
>> 
>> Still wrong.
> 
> Not at all.  History should be your guide.  The ratio of loaded OS to
> RAM has fallen considerably over the decades, as has the ratio of loaded
> app size and memory need to installed RAM. This doesn't match all uses
> cases, of course, but that number will just grow as well.
> 
> 
> 
>> There will *ALWAYS* be swap.
>> 
>> Just checked my iMac with 24GB of RAM. According to memory_pressure:
>> 
>> System-wide memory free percentage: 89%
>> 
>> 4GB of Swap. 2.4GB of compressed memory. Memory pressure graph is
>> nearly invisible the green line is so thin.
> 
> Coincidentally, mine (24 GB) is presently 89% free too.  But mem
> compression is visible (about 1/6th of the vertical scale and swap at
> 350 MB; compressed at 400 MB.
> 
> With 89% "free" of 24 GB, swap isn't really needed.

*YAWN*

You guys are still here?

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-10 09:42 -0400
  Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-10 20:26 +0000
    Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-11 02:13 +0000
      Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 10:17 -0400
        Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-11 14:44 -0400
          Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 14:54 -0400
            Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-11 19:51 +0000
              Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 16:11 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-11 20:21 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 16:23 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-11 21:01 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 17:13 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-11 21:47 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 19:13 -0400
                Re: Improved memory management? (10.11) Barry Margolin <barmar@alum.mit.edu> - 2015-10-11 20:44 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:23 +0000
                Re: Improved memory management? (10.11) Barry Margolin <barmar@alum.mit.edu> - 2015-10-12 10:02 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:40 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:28 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:05 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:51 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:45 -0400
                Re: Improved memory management? (10.11) Barry Margolin <barmar@alum.mit.edu> - 2015-10-12 15:07 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 15:39 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-12 14:34 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-12 02:38 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:10 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:51 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:49 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-12 16:20 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:56 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 22:49 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 19:20 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-14 08:01 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 19:02 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:20 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:24 -0400
                Re: Improved memory management? (10.11) Tim Streater <timstreater@greenbee.net> - 2015-10-12 14:40 +0100
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:37 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:23 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 22:39 +0000
                Re: Improved memory management? (10.11) Barry Margolin <barmar@alum.mit.edu> - 2015-10-12 20:15 -0400
                Re: Improved memory management? (10.11) Snit <usenet@gallopinginsanity.com> - 2015-10-13 00:21 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 20:26 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-14 08:04 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 19:06 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 19:10 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-14 07:48 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 18:54 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-14 23:15 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 20:55 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-12 14:21 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-11 18:58 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 19:22 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:24 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:27 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:45 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:36 -0400
                Re: Improved memory management? (10.11) Jolly Roger <jollyroger@pobox.com> - 2015-10-12 16:43 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:58 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 22:45 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 19:19 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-14 07:59 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 19:01 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-15 00:17 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-15 13:33 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-12 19:26 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 20:17 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-14 17:57 -0400
                Re: Improved memory management? (10.11) nospam <nospam@nospam.invalid> - 2015-10-14 18:13 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-14 19:09 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:18 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:17 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:25 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:10 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-11 21:11 +0000
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-11 18:55 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 19:21 -0400
                Re: Improved memory management? (10.11) JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-10-12 14:23 -0400
        Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-11 21:10 +0000
          Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 17:34 -0400
            Re: Improved memory management? (10.11) John Somerset <somerset@nospam.com> - 2015-10-11 18:17 -0400
              Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 19:15 -0400
                Re: Improved memory management? (10.11) John Somerset <somerset@nospam.com> - 2015-10-11 19:58 -0400
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 08:58 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:16 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:15 -0400
                Re: Improved memory management? (10.11) Tim Streater <timstreater@greenbee.net> - 2015-10-12 14:17 +0100
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:20 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:05 -0400
            Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 03:15 +0000
              Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 09:13 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 15:18 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-12 12:04 -0400
                Re: Improved memory management? (10.11) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-10-12 22:33 +0000
                Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-13 18:59 -0400
  Re: Improved memory management? (10.11) John Somerset <somerset@nospam.com> - 2015-10-11 18:43 -0400
    Re: Improved memory management? (10.11) Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-10-11 19:16 -0400

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