From owner-cvs-sys Thu Dec 4 21:43:03 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id VAA17451 for cvs-sys-outgoing; Thu, 4 Dec 1997 21:43:03 -0800 (PST) (envelope-from owner-cvs-sys) Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id VAA17390; Thu, 4 Dec 1997 21:42:17 -0800 (PST) (envelope-from dyson@FreeBSD.org) From: John Dyson Received: (from dyson@localhost) by freefall.freebsd.org (8.8.6/8.8.5) id VAA05258; Thu, 4 Dec 1997 21:41:09 -0800 (PST) Date: Thu, 4 Dec 1997 21:41:09 -0800 (PST) Message-Id: <199712050541.VAA05258@freefall.freebsd.org> To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: cvs commit: src/sys/vm vm_pageout.c Sender: owner-cvs-sys@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk dyson 1997/12/04 21:41:08 PST Modified files: sys/vm vm_pageout.c Log: Add new (very useful) tunable for pageout daemon. The flag changes the maximum pageout rate: sysctl -w vm.vm_maxlaunder=n 1 < n < inf. If paging heavily on large systems, it is likely that a performance improvement can be achieved by increasing the parameter. On a large system, the parm is 32, but numbers as large as 128 can make a big difference. If paging is expensive, you might try decreasing the number to 1-8. Revision Changes Path 1.102 +20 -18 src/sys/vm/vm_pageout.c