update-manager --no-focus-on-map ??

[rikona]

Hello Oliver,

Saturday, January 2, 2016, 4:49:34 AM, Oliver wrote:

> hi,
> Am Freitag, den 01.01.2016, 18:40 -0800 schrieb rikona:
>> Hello Oliver,
>> 
>> Thursday, December 31, 2015, 3:30:50 AM, Oliver wrote:
>> 
>> > hi,
>> > Am Dienstag, den 29.12.2015, 14:52 -0800 schrieb rikona:
>> >> (1) In htop, I'm getting quite a few instances of "update-manager
>> >> --no-focus-on-map". They seem to build up over time and, according to
>> >> top, are using up memory [ ~5% each] -- and I eventually seem to get
>> >> memory problems. (2) Also over time I seem to lose the update manager
>> >> GUI - it shows as a running icon with alt-tab, but selecting it gives
>> >> me nothing.
>> >> 
>> >> How can I fix 1 & 2 re the update mgr? Are 1& 2 related?
>> 
>> > are you sure you configured htop to not show userland threads by
>> > default in the settings ? else you will see multiple instances of
>> > apps that do a fork, even if they all use the exact same system
>> > resources 
>> 
>> I didn't understand that option so kept the default, not checked.
>> 
>> Are you saying that the large amount of memory usage in the many
>> instances shown in htop is actually NOT large and equal to only one of
>> the instances?
>> 
> htop does by default show all forks of non-kernel threads of a
> running process ... usually these forks use all the same address
> space and same RAM (you will notice their identical VIRT/RES/SHR
> values for memory usage, only the parent process allocates the
> actual RAM that gets used here). this RAM isnt actually used
> multiple times, so to avoid the confusing display and to be able to
> easier see actual RAM usage the app has the "Hide Userland Threads"
> option that will only show actually used resources and hide the
> forks. 

Thanks very much for the explanation and the tip. I have changed the
option, and it is a more useful display.

-- 

 rikona