Re: shmmax
> As my system is still fast and running properly after this tweak I need > to ask if you think that sysupgrade requires or will (I doubt) any > special value for shmmax? If it required a special setting, it would set that special setting. -- May the most significant bit of your life be positive.
Re: shmmax
Ok, received. Thnx Nov 10, 2023 15:25:58 Crystal Kolipe : > On Fri, Nov 10, 2023 at 03:17:29PM +0100, Daniele B. wrote: >> As my system is still fast and running properly after this tweak I need >> to ask if you think that sysupgrade requires or will (I doubt) any >> special value for shmmax? > > Leave it at the default setting.
Re: shmmax
On Fri, Nov 10, 2023 at 03:17:29PM +0100, Daniele B. wrote: > As my system is still fast and running properly after this tweak I need > to ask if you think that sysupgrade requires or will (I doubt) any > special value for shmmax? Leave it at the default setting.
Re: shmmax
As my system is still fast and running properly after this tweak I need to ask if you think that sysupgrade requires or will (I doubt) any special value for shmmax? == Daniele Bonini "Daniele B." wrote: > > Seems this tweak needs a vast knowledge, a certain kind > of usage profile and some practicality with the system tools.. > However, I did my homework and I didn't observe any practical > difference: > > [...] > > I actually set: > sysctl kern.shminfo.shmmax=33554432 >
Re: shmmax
Paul de Weerd wrote: > Yes: don't twist knobs when you don't understand what they do. Thnx, it is better then a Theo *template* .. == Daniele Bonini
Re: shmmax
On Thu, Nov 09, 2023 at 08:04:34PM +0100, Daniele B. wrote: | I'm guessing that for my usage profile I can go with an optimization | like this: | > sysctl kern.shminfo.shmmax=524288 | | Any more feedback? Yes: don't twist knobs when you don't understand what they do. -- >[<++>-]<+++.>+++[<-->-]<.>+++[<+ +++>-]<.>++[<>-]<+.--.[-] http://www.weirdnet.nl/
Re: shmmax
Janne Johansson wrote: > > I'm here asking what > > it is exactly the meaning for 'shared memory' here, and if implying > > that it is eventually the max memory allocable to the graphic card > > is correct. > > No. This is not related to graphics card memory Seems this tweak needs a vast knowledge, a certain kind of usage profile and some practicality with the system tools.. However, I did my homework and I didn't observe any practical difference: I tried this: sysctl kern.shminfo.shmmax=16777216 start: wiz# vmstat -f 3460 forks, 81357 pages, average 23.51 12 vforks, 678 pages, average 56.50 2202 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 launching some apps (NetBeans, Firefox) end: wiz# vmstat -f 3706 forks, 87817 pages, average 23.70 14 vforks, 689 pages, average 49.21 2297 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 then: sysctl kern.shminfo.shmmax=524288 start: wiz# vmstat -f 3761 forks, 89282 pages, average 23.74 14 vforks, 689 pages, average 49.21 2308 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 launching some apps (NetBeans, Firefox) end: wiz# vmstat -f 4003 forks, 95495 pages, average 23.86 16 vforks, 699 pages, average 43.69 2389 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 then: sysctl kern.shminfo.shmmax=33554432 start: wiz# vmstat -f 4107 forks, 97977 pages, average 23.86 16 vforks, 699 pages, average 43.69 2485 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 end: wiz# vmstat -f 4350 forks, 104204 pages, average 23.95 18 vforks, 709 pages, average 39.39 2568 __tforks, 0 pages, average 0.00 49 kthread creations, 0 pages, average 0.00 I'm guessing that for my usage profile I can go with an optimization like this: > sysctl kern.shminfo.shmmax=524288 Any more feedback? == Daniele Bonini
Re: shmmax
> I'm here asking what > it is exactly the meaning for 'shared memory' here, and if implying > that it is eventually the max memory allocable to the graphic card is > correct. No. This is not related to graphics card memory -- May the most significant bit of your life be positive.
