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From: Dudley Brooks <dbrooks@runforyourlife.org>
Newsgroups: comp.sys.mac.misc
Subject: Re: How much HD space needed for memory swapping
Date: Fri, 17 Jan 2025 13:13:51 -0800
Organization: Run For Your Life! ... it's a dance company
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On 1/16/25 4:49 PM, Jolly Roger wrote:

> On 2025-01-16, Dudley Brooks <dbrooks@runforyourlife.org> wrote:
>
>> On 1/16/25 11:16 AM, Jolly Roger wrote:
>>
>>> On 2025-01-16, Dudley Brooks <dbrooks@runforyourlife.org> wrote:
>>>
>>>> (I hope that "memory swapping" is the correct term.)
>>>>
>>>> Model:    Late 2013 Macbook Pro
>>>> OS:    OS X 10.13.6 High Sierra
>>>> HD:    1 TB, 954.34 GB used, 44.27 GB available
>>>> CPU:    2.6 GHz Intel
>>>> Mem:    16 GB 1600 MHz DDR3
>>>>
>>>> As you see, my HD is very full.
>>>>
>>>> As it fills up, I have seen a big dropoff in function -- programs load
>>>> much more slowly, can only have a few programs open at the same time,
>>>> windows don't open at full size, etc.
>>>>
>>>> I assume this is because of not enough swap space on the HD.
>>>>
>>>> What is the recommended amount of HD space to keep free for good
>>>> performance?
>>>
>>> That would depend on how much RAM you actually use, but the general
>>> recommendation is to keep 10-20% free on the startup drive, depending on
>>> how much your system swaps due to low memory conditions. You're way
>>> short of that 100 GB (10%).
>>
>> OK, thanks!  Now I know what to aim for.  Luckily, it will not be too
>> difficult to accomplish -- loads of stuff I can get rid of.
> 
> 🙂👍🏼
> 
>> Should I defrag afterwards?  Or does the OS (10.13.6 High Sierra) make
>> it somehow unnecessarry
> 
> That's not something you need to do with flash storage (SSDs).

Ah!  Excellent!  Thanks!

-- 
Dudley Brooks, Artistic Director
Run For Your Life! ... it's a dance company!
San Francisco