Date: Fri, 14 Aug 2015 12:39:27 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Alexander Motin <mav@FreeBSD.org>, src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org Subject: Re: svn commit: r286763 - in head/sys: cddl/contrib/opensolaris/uts/common cddl/contrib/opensolaris/uts/common/fs/zfs cddl/contrib/opensolaris/uts/common/fs/zfs/sys conf Message-ID: <55CDB74F.6070708@FreeBSD.org> In-Reply-To: <201508140931.t7E9V8nF054188@repo.freebsd.org> References: <201508140931.t7E9V8nF054188@repo.freebsd.org>
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On 14/08/2015 12:31, Alexander Motin wrote: > Author: mav > Date: Fri Aug 14 09:31:07 2015 > New Revision: 286763 > URL: https://svnweb.freebsd.org/changeset/base/286763 > > Log: > MFV r277431: 5497 lock contention on arcs_mtx > > Reviewed by: George Wilson <george.wilson@delphix.com> > Reviewed by: Matthew Ahrens <mahrens@delphix.com> > Reviewed by: Richard Elling <richard.elling@richardelling.com> > Approved by: Dan McDonald <danmcd@omniti.com> > Author: Prakash Surya <prakash.surya@delphix.com> > > illumos/illumos-gate@244781f10dcd82684fd8163c016540667842f203 > > This patch attempts to reduce lock contention on the current arc_state_t > mutexes. These mutexes are used liberally to protect the number of LRU > lists within the ARC (e.g. ARC_mru, ARC_mfu, etc). The granularity at > which these locks are acquired has been shown to greatly affect the > performance of highly concurrent, cached workloads. > > Added: > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/multilist.c (contents, props changed) > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h (contents, props changed) > Modified: > head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/arc.h > head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio_inject.c > head/sys/conf/files > Directory Properties: > head/sys/cddl/contrib/opensolaris/ (props changed) > > Modified: head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files > ============================================================================== > --- head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files Fri Aug 14 09:25:54 2015 (r286762) > +++ head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files Fri Aug 14 09:31:07 2015 (r286763) > @@ -68,6 +68,7 @@ ZFS_COMMON_OBJS += \ > lz4.o \ > lzjb.o \ > metaslab.o \ > + multilist.o \ > range_tree.o \ > refcount.o \ > rrwlock.o \ Thank you! The new file also has to be added to sys/conf/files for those who compile ZFS into a kernel. -- Andriy Gapon
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