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NNTP-Posting-Date: Sun, 06 Apr 2025 15:07:14 +0000
Subject: Re: Apple requires too much money and sacrifice of control
Newsgroups: misc.phone.mobile.iphone,comp.os.linux.advocacy
References: <cjp3ujt8q0273ljkeu7tbe647333lctnqq@4ax.com>
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 <p0q4vjhklek57l8jbkcaq530qkt0m8toct@4ax.com>
From: % <pursent100@gmail.com>
Date: Sun, 6 Apr 2025 08:07:19 -0700
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Joel wrote:
> Johnny LaRue <xxxxxx@yyyyyy.zzz> wrote:
>> In article <b1t0vj53njfgitf5ntdl8ssvv4e40vlli9@4ax.com>,
>> Joel <joelcrump@gmail.com> wrote:
>>> Alan <nuh-uh@nope.com> wrote:
>>>
>>>>>>> https://i.imgur.com/bNZVr8U.png
>>>>>>
>>>>>> You've just shown that you DO NOT need 32GB of RAM...
>>>>>>
>>>>>> (and that Linux isn't smart enough to count RAM in base-2).
>>>>>
>>>>> https://i.imgur.com/4jItMI0.png
>>>>>
>>>>> As you can see, today, I have puked out a little into swap.
>>>>
>>>> Dude: give it up.
>>>>
>>>> You've got 33.5 decimal gigabytes of RAM.
>>>>
>>>> 19.2GB is in use with the other 14.3GB used for cache.
>>>>
>>>> And 3.7MB...
>>>>
>>>> ...one HUNDREDTH of one percent of it...
>>>>
>>>> ...is swapped out...
>>>>
>>>> ...and you think that's a solid argument?
>>>>
>>>> Linux has 14.3GB used for caching and for some reason chooses to swap a
>>>> tiny, TINY fraction of data rather than use a little less for cache...
>>>>
>>>> ...and you think you're proving something good?
>>>
>>> So let me get this straight, your argument is that cache isn't
>>> actually needed?
>>
>> Correct.  Cache is not actually NEEDED.
>>
>> Yes, it is VERY nice to have spare RAM to use as system cache.  But if
>> you were really using all of your RAM for applications, there would be
>> very little cache.   Or maybe even no cache at all.
>>
>> Cache is the first thing to go when YOU need more RAM, for whatever
>> reason.   When you finish editing your 3 hour, 4K movie there will again
>> be free RAM and various things will be cached again.
>>
>> If you had 48GB of RAM, you will initially have an even bigger system
>> cache.   Unused RAM is wasted RAM, so the system will cache everything
>> it can.
>>
>> That is, until YOU need it for whatever.
>>
>> For example.   This 32GB Mac currently has 15GB used and 17GB in cache.
>> No swap at all.   I started up VMware to run Windows, which has 10GB
>> assigned to Windows.   As expected, I now have 25GB used and 7GB in
>> cache.  Still no swap used at all.
>>
>> That is exactly how RAM/cache/swap is supposed to work.   Cache
>> everything possible, but release it when it is needed by the user.
>>
>> So, the fact that you are using 19GB and have 14GB in cache means YOU
>> are not "using all the RAM".   The system IS using all the RAM, and that
>> is a good thing.  But YOU have 14GB of RAM that YOU are not using.
> 
> 
> Clearly, though, what I have makes my system more responsive, well
> worth the meager investment in the RAM.
> 
and what will you do with this great creation