Re: [qubes-users] Memory issue

2021-03-13 Thread donoban 
On 3/13/21 6:28 PM, thefifthsea...@nym.hush.com wrote:
> "Are you running KDE? Do you have swap enabled on dom0?"
> 
> 
> I am using Qubes 4 which uses XFCE desktop environment as default,
> haven't changed it.
> 
> With the command "free -h" in dom0 it shows this:
> 
> mem: total 3.7g, used 554m, free 188m, shared 8.0m, buff/cache 3.0g,
> available 318m
> 
> swap: total 15g, used 671m, free 14g
> 
> 
> It looks like dom0 is making excellent use of the buffer/cache, why
> should it need to store so much temporary data?
> 
> And should I do something about it?

I would say that your available (which should have a high % of the
buff/cache) is very low. Here are my stats running KDE (with many
workspaces and qubes running) and near 6days uptime:

[user@dom0 ~]$ free -h
  totalusedfree  shared  buff/cache   available

Mem:   3.6G1.5G192M  58M1.9G1.5G

Swap:  7.3G725M6.6G

I have less buff/cache than you but more available. I have no idea about
what could be happening.

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Re: [EXT] [qubes-users] Memory issue

2021-03-13 Thread Ulrich Windl 

On 3/12/21 9:10 PM, thefifthseason via qubes-users wrote:

The quick:

Dom0 Task Manager shows memory usage percent as always increasing. 
Closing Virtual Machines does not seem to free up any memory by 
displayed memory usage percent.


Could it be you are confused with "used" vs. "free" ignoring cache and 
buffers? Usually Linux minimizes "free" that is unused memory.




The questions:

Are there any advice on what I should do with this situation?

Should I clean out Qubes memory buffer/catch? If so, what safe command 
should be used?
Or, if that isn’t the issue, what should I look for? What more 
information do you good elves need to help the issue?


The slow:

I noticed this situation a good week ago when I looked at Dom0 task 
manager. It showed my memory usage to be around 95%, that is a lot. The 
computers total memory capacity is 32gig. My normal memory usage tend to 
be around 35-40%, a fairly steady level measured over long time. After 
seeing my memory maxing out I attempted to close down one virtual 
machine after the other, but it did not appear to make any difference in 
terms of freeing up memory. So I decided to restart my computer and that 
made everything back to normal—for a little while. Starting my normal 
virtual machines and got to the normal memory usage level. But then it 
just kept adding on, a disposable machine opened and closed and the 
memory usage increased, another virtual machine opened and the memory 
increased, closing it did not affect the memory level. And so it kept 
adding on more and more memory usage as I did my normal computing things 
like browsing and so on. In writing moment I’ve reached 93% of memory 
capacity.


The extra:

Please, treat me as a newbie. Although I’ve been using Qubes OS for 
several years (its pretty cool operating system, thank you creators and 
maintainers <3) without being knowledgeable about command line interface 
(avoiding it when possible), I remain a GUI person and don’t really want 
a cure for it.


Thank you for your time.

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Re: [qubes-users] Memory issue

2021-03-13 Thread donoban 
On 3/12/21 9:10 PM, thefifthseason via qubes-users wrote:
> The quick:
> 
> Dom0 Task Manager shows memory usage percent as always increasing.
> Closing Virtual Machines does not seem to free up any memory by
> displayed memory usage percent.
> 
> The questions:
> 
> Are there any advice on what I should do with this situation?
> 
> Should I clean out Qubes memory buffer/catch? If so, what safe command
> should be used?
> Or, if that isn’t the issue, what should I look for? What more
> information do you good elves need to help the issue?
> 
> The slow:
> 
> I noticed this situation a good week ago when I looked at Dom0 task
> manager. It showed my memory usage to be around 95%, that is a lot. The
> computers total memory capacity is 32gig. My normal memory usage tend to
> be around 35-40%, a fairly steady level measured over long time. After
> seeing my memory maxing out I attempted to close down one virtual
> machine after the other, but it did not appear to make any difference in
> terms of freeing up memory. So I decided to restart my computer and that
> made everything back to normal—for a little while. Starting my normal
> virtual machines and got to the normal memory usage level. But then it
> just kept adding on, a disposable machine opened and closed and the
> memory usage increased, another virtual machine opened and the memory
> increased, closing it did not affect the memory level. And so it kept
> adding on more and more memory usage as I did my normal computing things
> like browsing and so on. In writing moment I’ve reached 93% of memory
> capacity.

Are you running KDE? Do you have swap enabled on dom0? A 'free -h'
output shows this.

I noticed a possible memory leak some time ago and I use KDE. In my
case, I see the Swap memory usage slowly growing. At this moment, with
just 5 days uptime I have 657M of used swap. I remember it reaching some
gigabytes.

I determined that after some says of uptime, the X process was using
more memory compared to fresh boot. But not really too much for have so
much memory swapped.

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Re: [qubes-users] Memory issue

2021-03-12 Thread unman 
On Fri, Mar 12, 2021 at 08:10:42PM +, thefifthseason via qubes-users wrote:
> 
> 
>The quick: 
> 
>Dom0 Task Manager shows memory usage percent as always increasing.
> Closing Virtual Machines does not seem to free up any memory by
> displayed memory usage percent. 
> 
>The questions: 
> 
>Are there any advice on what I should do with this situation?Should
> I clean out Qubes memory buffer/catch? If so, what safe command should
> be used?Or, if that isn???t the issue, what should I look for? What
> more information do you good elves need to help the issue? 
> 
>The slow: 
> 
>I noticed this situation a good week ago when I looked at Dom0 task
> manager. It showed my memory usage to be around 95%, that is a lot.
> The computers total memory capacity is 32gig. My normal memory usage
> tend to be around 35-40%, a fairly steady level measured over long
> time. After seeing my memory maxing out I attempted to close down one
> virtual machine after the other, but it did not appear to make any
> difference in terms of freeing up memory. So I decided to restart my
> computer and that made everything back to normal???for a little while.
> Starting my normal virtual machines and got to the normal memory usage
> level. But then it just kept adding on, a disposable machine opened
> and closed and the memory usage increased, another virtual machine
> opened and the memory increased, closing it did not affect the memory
> level. And so it kept adding on more and more memory usage as I did my
> normal computing things like browsing and so on. In writing moment
> I???ve reached 93% of memory capacity.   
> 
>The extra: 
> 
>Please, treat me as a newbie. Although I???ve been using Qubes OS
> for several years (its pretty cool operating system, thank you
> creators and maintainers 
> 

I'm not sure what "Dom0 task manager" is, and what it shows.
But the memory allocated to dom0 is only *part* of the available
memory, and can be constrained further using boot parameters :
dom0_mem=max:...

The memory allocated to Virtual machines is from a separate pool - this
is why closing qubes does not free up memory in dom0.
Of your 32GB, the default would be to have 4GB allocated to dom0 (this
can easily be reduced to 2048 or 1536), with the balance of 28GB pooled
between the open qubes.

I'm not sure why you are now seeing dom0 usage up from previous levels
-unless you can associate this with difficulties in running Qubes I
wouldnt worry about some notional 95% figure.

It's possible I am misinterpreting your mail. If so, perhaps you could
explain exactly what effect this has on your Qubes experience.

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[qubes-users] Memory issue

2021-03-12 Thread thefifthseason via qubes-users 


 The quick: 

 Dom0 Task Manager shows memory usage percent as always increasing.
Closing Virtual Machines does not seem to free up any memory by
displayed memory usage percent. 

 The questions: 

 Are there any advice on what I should do with this situation?Should
I clean out Qubes memory buffer/catch? If so, what safe command should
be used?Or, if that isn’t the issue, what should I look for? What
more information do you good elves need to help the issue? 

 The slow: 

 I noticed this situation a good week ago when I looked at Dom0 task
manager. It showed my memory usage to be around 95%, that is a lot.
The computers total memory capacity is 32gig. My normal memory usage
tend to be around 35-40%, a fairly steady level measured over long
time. After seeing my memory maxing out I attempted to close down one
virtual machine after the other, but it did not appear to make any
difference in terms of freeing up memory. So I decided to restart my
computer and that made everything back to normal—for a little while.
Starting my normal virtual machines and got to the normal memory usage
level. But then it just kept adding on, a disposable machine opened
and closed and the memory usage increased, another virtual machine
opened and the memory increased, closing it did not affect the memory
level. And so it kept adding on more and more memory usage as I did my
normal computing things like browsing and so on. In writing moment
I’ve reached 93% of memory capacity.   

 The extra: 

 Please, treat me as a newbie. Although I’ve been using Qubes OS
for several years (its pretty cool operating system, thank you
creators and maintainers 

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