Hi,

Yesterday I found some time to upgrade the packages. I did the following:

1. Downloaded all packages, (.22, amd64, 18.04 versions) from 
http://packages.arctica-project.org/ubuntu/pool/main/n/nx-libs/
2. sudo dpkg -i *deb to install everything
3. Asked users to end sessions and reconnect.

After this, the x2go memory use is <= 350 MB for each user and no longer 
growing (last 18 hours). So problem fixed from my point of view! Thanks for all 
your help.

— 
Johannes Töger

Associate Senior Lecturer
Cardiac MR Group
Department of Clinical Sciences Lund, Clinical Physiology
Lund University, Sweden

-----Original Message-----
From: Ulrich Sibiller <ul...@gmx.de> 
Sent: Friday, January 24, 2020 09:44
To: Johannes Töger <johannes.to...@med.lu.se>
Cc: Bernd Schubert <bs_li...@aakef.fastmail.fm>; x2go-user@lists.x2go.org
Subject: Re: [X2Go-User] Long-running x2goagent, high memory usage

Well, from MPOV you do not need a shutdown. Just update the nx packages. The 
next new connection will use the new nxagent.

Let me now when you want to compile an own version, so that I can provide some 
instructions for sanitizer integration. (I need to figure that out again since 
I mainly use valgrind).

Uli

On Fri, Jan 24, 2020 at 8:35 AM Johannes Töger <johannes.to...@med.lu.se> wrote:
>
> Yeah, I could absolutely compile my own version. I think it might be better 
> to try with the .deb packages you linked first though.
>
> I need to ask my users for a window where I can shut down everything first, 
> so might take a few days before I can organize this.
>
> —
> Johannes Töger
>
> Associate Senior Lecturer
> Cardiac MR Group
> Department of Clinical Sciences Lund, Clinical Physiology Lund 
> University, Sweden
>
> -----Original Message-----
> From: Ulrich Sibiller <ul...@gmx.de>
> Sent: Thursday, January 23, 2020 19:43
> To: Johannes Töger <johannes.to...@med.lu.se>
> Cc: Bernd Schubert <bs_li...@aakef.fastmail.fm>; 
> x2go-user@lists.x2go.org
> Subject: Re: [X2Go-User] Long-running x2goagent, high memory usage
>
> On Thu, Jan 23, 2020 at 7:35 PM Johannes Töger <johannes.to...@med.lu.se> 
> wrote:
> >
> > Thanks to you both for getting involved in this.
> >
> > I've been swamped with other things, so not much to report. I did manage to 
> > plot the x2goagent memory use over time though. Maybe this can help.
> >
> > Link to plot:
> > https://imgur.com/a/lDqZ2zd
> >
> > As you see, several users have a constant memory use. However, 3 of them 
> > have a constantly increasing memory use. So not isolated incidents that 
> > leak, but rather a continuous drip.
>
> OK, well, do you think you could compile an own version of x2go?
>
> Uli
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