Re: svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-18 Thread Gleb Smirnoff
Bruce, On Sun, Feb 17, 2019 at 02:58:43AM +1100, Bruce Evans wrote: B> This is only a rollback for the vnode pager pbufs sub-pool. Total B> resource usage (preallocated kva and maximum on RAM that can be mapped B> into this kva) is still about 5/2 times higher than before in my B>

Re: svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-16 Thread Warner Losh
On Sat, Feb 16, 2019, 10:08 AM Ian Lepore On Sun, 2019-02-17 at 02:58 +1100, Bruce Evans wrote: > > Slowness is relative. In FreeBSD-1, floppy disk devices were still in > > use and were especially slow. Now hard disks are slow relative to fast > > SSDs. But the number of buffers was

Re: svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-16 Thread Ian Lepore
On Sun, 2019-02-17 at 02:58 +1100, Bruce Evans wrote: > Slowness is relative. In FreeBSD-1, floppy disk devices were still in > use and were especially slow. Now hard disks are slow relative to fast > SSDs. But the number of buffers was unchanged. It is still essentially > unchanged except for

Re: svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-16 Thread Bruce Evans
On Fri, 15 Feb 2019, Gleb Smirnoff wrote: Log: For 32-bit machines rollback the default number of vnode pager pbufs back to the lever before r343030. For 64-bit machines reduce it slightly, too. Together with r343030 I bumped the limit up to the value we use at Netflix to serve 100

Re: svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-16 Thread Enji Cooper
Hi Gleb! > On Feb 15, 2019, at 15:36, Gleb Smirnoff wrote: > > Author: glebius > Date: Fri Feb 15 23:36:22 2019 > New Revision: 344188 > URL: https://svnweb.freebsd.org/changeset/base/344188 > > Log: > For 32-bit machines rollback the default number of vnode pager pbufs > back to the lever

svn commit: r344188 - in head: lib/libc/sys sys/vm

2019-02-15 Thread Gleb Smirnoff
Author: glebius Date: Fri Feb 15 23:36:22 2019 New Revision: 344188 URL: https://svnweb.freebsd.org/changeset/base/344188 Log: For 32-bit machines rollback the default number of vnode pager pbufs back to the lever before r343030. For 64-bit machines reduce it slightly, too. Together with