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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: Thu, 16 Jan 2025 13:44:20 -0800
Organization: Run For Your Life! ... it's a dance company
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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

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