Re: PostgreSQL performance on FreeBSD

2014-08-14 Thread Alan Cox
On 08/14/2014 10:47, John Baldwin wrote: > On Wednesday, August 13, 2014 1:00:22 pm Alan Cox wrote: >> On Tue, Aug 12, 2014 at 1:09 PM, John Baldwin wrote: >> >>> On Wednesday, July 16, 2014 1:52:45 pm Adrian Chadd wrote: >>>> Hi! >>>> >>>

Re: PostgreSQL performance on FreeBSD

2014-08-13 Thread Alan Cox
On Tue, Aug 12, 2014 at 1:09 PM, John Baldwin wrote: > On Wednesday, July 16, 2014 1:52:45 pm Adrian Chadd wrote: > > Hi! > > > > > > On 16 July 2014 06:29, Konstantin Belousov wrote: > > > On Fri, Jun 27, 2014 at 03:56:13PM +0300, Konstantin Belousov wrote: > > >> Hi, > > >> I did some measurem

Re: PostgreSQL performance on FreeBSD

2014-08-13 Thread Alan Cox
On Wed, Aug 13, 2014 at 4:58 AM, David Chisnall wrote: > On 12 Aug 2014, at 19:09, John Baldwin wrote: > > > OTOH, I have actually seen junk profiling _improve_ performance in > certain > > cases as it forces promotion of allocated pages to superpages since all > pages > > are dirtied. (I have

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-28 Thread Alan Cox
On 08/27/2012 17:23, Gezeala M. Bacuño II wrote: On Thu, Aug 23, 2012 at 12:02 PM, Alan Cox wrote: On 08/22/2012 12:09, Gezeala M. Bacuño II wrote: On Tue, Aug 21, 2012 at 4:24 PM, Alan Cox wrote: On 8/20/2012 8:26 PM, Gezeala M. Bacuño II wrote: On Mon, Aug 20, 2012 at 9:07 AM, Gezeala M

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-23 Thread Alan Cox
On 08/22/2012 12:09, Gezeala M. Bacuño II wrote: On Tue, Aug 21, 2012 at 4:24 PM, Alan Cox wrote: On 8/20/2012 8:26 PM, Gezeala M. Bacuño II wrote: On Mon, Aug 20, 2012 at 9:07 AM, Gezeala M. Bacuño II wrote: On Mon, Aug 20, 2012 at 8:22 AM, Alan Cox wrote: On 08/18/2012 19:57, Gezeala M

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-21 Thread Alan Cox
On 8/20/2012 8:26 PM, Gezeala M. Bacuño II wrote: On Mon, Aug 20, 2012 at 9:07 AM, Gezeala M. Bacuño II wrote: On Mon, Aug 20, 2012 at 8:22 AM, Alan Cox wrote: On 08/18/2012 19:57, Gezeala M. Bacuño II wrote: On Sat, Aug 18, 2012 at 12:14 PM, Alan Cox wrote: On 08/17/2012 17:08, Gezeala M

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-20 Thread Alan Cox
On 08/18/2012 19:57, Gezeala M. Bacuño II wrote: On Sat, Aug 18, 2012 at 12:14 PM, Alan Cox wrote: On 08/17/2012 17:08, Gezeala M. Bacuño II wrote: On Fri, Aug 17, 2012 at 1:58 PM, Alan Cox wrote: vm.kmem_size controls the maximum size of the kernel's heap, i.e., the region wher

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-18 Thread Alan Cox
On 08/17/2012 17:08, Gezeala M. Bacuño II wrote: On Fri, Aug 17, 2012 at 1:58 PM, Alan Cox wrote: vm.kmem_size controls the maximum size of the kernel's heap, i.e., the region where the kernel's slab and malloc()-like memory allocators obtain their memory. While this heap may

Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB)

2012-08-17 Thread Alan Cox
vm.kmem_size controls the maximum size of the kernel's heap, i.e., the region where the kernel's slab and malloc()-like memory allocators obtain their memory. While this heap may occupy the largest portion of the kernel's virtual address space, it cannot occupy the entirety of the address spac

Re: Intel TurboBoost in practice

2010-07-27 Thread Alan Cox
On Mon, Jul 26, 2010 at 9:11 AM, Alexander Motin wrote: > Robert Watson wrote: > > On Sun, 25 Jul 2010, Alexander Motin wrote: > >>> The numbers that you are showing doesn't show much difference. Have > >>> you tried buildworld? > >> > >> If you mean relative difference -- as I have told, it's mo

Re: Intel TurboBoost in practice

2010-07-24 Thread Alan Cox
2010/7/24 Alexander Motin > Hi. > > I've make small observations of Intel TurboBoost technology under > FreeBSD. This technology allows Intel Core i5/i7 CPUs to rise frequency > of some cores if other cores are idle and power/thermal conditions > permit. CPU core counted as idle, if it has been p