What's happening with 16.04 & 16.10? 100% of RAM being used by nothing!

[Martinx - ジェームズ]

On 6 October 2016 at 11:19, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
wrote:

>
>
> On 6 October 2016 at 10:55, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
> wrote:
>
>>
>>
>> On 6 October 2016 at 07:22, Ralf Mardorf <silver.bullet at zoho.com> wrote:
>>
>>> On Thu, 06 Oct 2016 12:29:29 +0200, Oliver Grawert wrote:
>>> >hi,
>>> >Am Mittwoch, den 05.10.2016, 21:58 -0400 schrieb Martinx - ジェームズ:
>>> >>
>>> >> >
>>> >> BTW, here is htop showing that my RAM is 100% being used by nothing!
>>> >>
>>> >> http://imgur.com/a/1nKkL
>>> >
>>> >and if you click on the "MEM%" there (or hit shift+M) htop will
>>> >actually show you what that "nothing" is by sorting by memory usage ;)
>>>
>>> Good point,
>>>
>>> which btw. works for top and atop, too, as q instead of Ctrl+C does
>>> either. I don't know why I mentioned Ctrl+C in a previous mail :D.
>>>
>>> However, I would use top or atop instead of htop, both IMO are better
>>> readable, regarding default colours and provided buffer/cache info, but
>>> only top might allow to easily copy the output.
>>>
>>> Regards,
>>> Ralf
>>>
>>
>> Aha! Thank you guys for all replies!
>>
>> It is not cache mem... Look what I found (thanks to Ralf):
>>
>> df -h
>> tmpfs                     16G  241M   16G   2% /dev/shm
>> tmpfs                     16G     0   16G   0% /sys/fs/cgroup
>>
>> Looks like that I found my missing 32G of ram! How to fix it?
>>
>> Cheers!
>> Thiago
>>
>
> Oops...
>
> df -h
> Filesystem            Size  Used Avail Use% Mounted on
> tmpfs                     16G  241M   16G   2% /dev/shm
> tmpfs                     16G     0   16G   0% /sys/fs/cgroup
>
> Looks like that it is not being used but, it is pre-allocated?
>

Just added the following lines to /etc/fstab:

none /dev/shm tmpfs defaults,size=2G        0 0
tmpfs /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,mode=755,size=2G 0 0

Now, those 2 as limited to 2G each buuuut, system still shows all my RAM
being occupied by Sanatas...  lol
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