Date: Fri, 11 Jul 2014 14:44:26 +0000 (UTC) From: Glen Barber <gjb@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r45250 - head/en_US.ISO8859-1/htdocs/news/status Message-ID: <201407111444.s6BEiQTR014565@svn.freebsd.org>
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Author: gjb Date: Fri Jul 11 14:44:26 2014 New Revision: 45250 URL: http://svnweb.freebsd.org/changeset/doc/45250 Log: Add status report submission from mav@. Sponsored by: The FreeBSD Foundation Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2014-04-2014-06.xml Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2014-04-2014-06.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/news/status/report-2014-04-2014-06.xml Fri Jul 11 13:09:38 2014 (r45249) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2014-04-2014-06.xml Fri Jul 11 14:44:26 2014 (r45250) @@ -37,7 +37,7 @@ ?> <p>Thanks to all the reporters for the excellent work! This - report contains 1 entry and we hope you enjoy reading it.</p> + report contains 2 entries and we hope you enjoy reading it.</p> <p>The deadline for submissions covering between July and September 2014 is October 7th, 2014.</p> @@ -121,4 +121,51 @@ </p> </body> </project> + + <project cat='proj'> + <title>RPC/NFS and CTL/iSCSI performance optimizations.</title> + + <contact> + <person> + <name> + <given>Alexander</given> + <common>Motin</common> + </name> + <email>mav@FreeBSD.org</email> + </person> + </contact> + + <body> + <p>The &os; RPC stack, used as base for its NFS server, took + multiple optimizations to improve its performance and SMP + scalability. Algorithmic optimizations allowed to reduce + processing overhead, while improved locking allowed it to + scale up to at least 40 processor cores without significant + lock congestion. Combined with some other kernel + optimizations that allowed to increase peak NFS request + rate by many times, reaching up to 600K requests per second + on modern hardware.</p> + + <p>The CAM Target Layer (CTL), used as base for new kernel + iSCSI server, also took series of locking optimization, + that allowed to increase its peak request rate from ~200K + to ~600K IOPS with potential of reaching reate of 1M + request per second. That rate is sufficient to completely + saturage 2x10Gbit Ethernet links with 4KB requests. For + comparison, the port of net/istgt (user-level iSCSI + server) on the same hardware with equal configuration + shown only 100K IOPS.</p> + + <p>There is also ongoing work on improving CTL functionality. + It was already made to support 3 of 4 VMWare VAAI storage + acceleration primitives (net/istgt supports 2), while the + goal is to reach full VAAI support during next months.</p> + + <p>With all above, and earlier improvements in CAM, GEOM, ZFS + and number of other kernel areas coming soon FreeBSD 10.1 + may become the fastest storage release ever. ;)</p> + + <p>These projects are sponsored by iXsystems, Inc.</p> + </body> + </project> </report>
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