Re: swapfile query

2017-08-19 Thread Greg 'groggy' Lehey
On Saturday, 19 August 2017 at 16:00:28 +0100, tech-lists wrote: > Hello list, > > (freebsd-current is r317212 on this machine) > > I have a machine with 128GB RAM. When 12-current was installed, for some > reason the swap partition was set to 4GB. I see sometimes via top and > also via daily statu

Re: swapfile query

2017-08-19 Thread Cy Schubert
In message <20170819213149.GA34140@raichu>, Mark Johnston writes: > On Sat, Aug 19, 2017 at 02:24:19PM -0700, Cy Schubert wrote: > > In message <201708192100.v7jl0vfk003...@slippy.cwsent.com>, Cy Schubert > > writes: > > > > > (On my -CURRENT laptop I see a scan rate in the hundreds on a totally

Re: swapfile query

2017-08-19 Thread Mark Johnston
On Sat, Aug 19, 2017 at 02:24:19PM -0700, Cy Schubert wrote: > In message <201708192100.v7jl0vfk003...@slippy.cwsent.com>, Cy Schubert > writes: > > > (On my -CURRENT laptop I see a scan rate in the hundreds on a totally idle > > laptop and in the teens of my idle firewall. IMO this doesn't seem

Re: swapfile query

2017-08-19 Thread Cy Schubert
In message <201708192100.v7jl0vfk003...@slippy.cwsent.com>, Cy Schubert writes: > (On my -CURRENT laptop I see a scan rate in the hundreds on a totally idle > laptop and in the teens of my idle firewall. IMO this doesn't seem right, > at least not compared to previous releases of FreeBSD or fro

Re: swapfile query

2017-08-19 Thread Cy Schubert
In message , tech-lists writes: > On 19/08/2017 17:54, Cy Schubert wrote: > > Then it doesn't matter if you use one or many swapfiles and deleting the 4 > > GB won't make a difference. Just add the desired swap as required. > > > > With 128 GB RAM you shouldn't be swapping anyway. If your system

Re: swapfile query

2017-08-19 Thread Cy Schubert
In message , David Chisnall w rites: > On 19 Aug 2017, at 17:54, Cy Schubert wrote: > > > >> 3. should total swap be 1x 2x or some other multiple of RAM these days? > > > > Depends. If you're running some kind of database server or OLTP > > application. Some vendors recommend no swap whatsoeve

Re: swapfile query

2017-08-19 Thread David Chisnall
On 19 Aug 2017, at 17:54, Cy Schubert wrote: > >> 3. should total swap be 1x 2x or some other multiple of RAM these days? > > Depends. If you're running some kind of database server or OLTP > application. Some vendors recommend no swap whatsoever while others > recommend some. What does your a

Re: swapfile query

2017-08-19 Thread tech-lists
On 19/08/2017 17:54, Cy Schubert wrote: > Then it doesn't matter if you use one or many swapfiles and deleting the 4 > GB won't make a difference. Just add the desired swap as required. > > With 128 GB RAM you shouldn't be swapping anyway. If your system is you > have more serious problems than

Re: swapfile query

2017-08-19 Thread Cy Schubert
In message <77fdd002-2873-eb67-c851-0127ae314...@zyxst.net>, tech-lists writes: > Hello list, > > (freebsd-current is r317212 on this machine) > > I have a machine with 128GB RAM. When 12-current was installed, for some > reason the swap partition was set to 4GB. I see sometimes via top and > al

swapfile query

2017-08-19 Thread tech-lists
Hello list, (freebsd-current is r317212 on this machine) I have a machine with 128GB RAM. When 12-current was installed, for some reason the swap partition was set to 4GB. I see sometimes via top and also via daily status reports that sometimes the machine runs out of swap. It doesn't crash the m