Date: Tue, 27 Jul 2010 14:35:17 +0000 (UTC) From: Martin Matuska <mm@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r210541 - stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201007271435.o6REZHH9021169@svn.freebsd.org>
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Author: mm Date: Tue Jul 27 14:35:17 2010 New Revision: 210541 URL: http://svn.freebsd.org/changeset/base/210541 Log: MFC r210282: To improve latency, lower default vfs.zfs.vdev.max_pending from 35 to 10 OpenSolaris onnv changeset (partial): 10801:e0bf032e8673 Approved by: pjd, delphij (mentor) Obtained from: OpenSolaris (Bug ID 6891731) Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c ============================================================================== --- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c Tue Jul 27 14:32:51 2010 (r210540) +++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c Tue Jul 27 14:35:17 2010 (r210541) @@ -38,7 +38,7 @@ * of i/os pending to each device (before it starts ramping up to * max_pending). */ -int zfs_vdev_max_pending = 35; +int zfs_vdev_max_pending = 10; int zfs_vdev_min_pending = 4; /* deadline = pri + (LBOLT >> time_shift) */
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