From owner-svn-doc-all@FreeBSD.ORG Fri Jul 11 15:01:08 2014 Return-Path: Delivered-To: svn-doc-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BB734CDC; Fri, 11 Jul 2014 15:01:08 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A710C21FA; Fri, 11 Jul 2014 15:01:08 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s6BF18h0023116; Fri, 11 Jul 2014 15:01:08 GMT (envelope-from gjb@svn.freebsd.org) Received: (from gjb@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s6BF18Nt023115; Fri, 11 Jul 2014 15:01:08 GMT (envelope-from gjb@svn.freebsd.org) Message-Id: <201407111501.s6BF18Nt023115@svn.freebsd.org> From: Glen Barber Date: Fri, 11 Jul 2014 15:01:08 +0000 (UTC) To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r45252 - head/en_US.ISO8859-1/htdocs/news/status X-SVN-Group: doc-head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-doc-all@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the entire doc trees \(except for " user" , " projects" , and " translations" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jul 2014 15:01:08 -0000 Author: gjb Date: Fri Jul 11 15:01:08 2014 New Revision: 45252 URL: http://svnweb.freebsd.org/changeset/doc/45252 Log: Fix indentation levels. 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 14:49:27 2014 (r45251) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2014-04-2014-06.xml Fri Jul 11 15:01:08 2014 (r45252) @@ -123,50 +123,49 @@ - RPC/NFS and CTL/iSCSI performance optimizations. + RPC/NFS and CTL/iSCSI performance optimizations. - - - - Alexander - Motin - - mav@FreeBSD.org - - - - -

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.

- -

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.

- -

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.

- -

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. ;)

+ + + + Alexander + Motin + + mav@FreeBSD.org + + -

These projects are sponsored by iXsystems, Inc.

- + +

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.

+ +

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.

+ +

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.

+ +

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. ;)

+ +

These projects are sponsored by iXsystems, Inc.

+