From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54190) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YhzWK-0002Kk-3z for qemu-devel@nongnu.org; Tue, 14 Apr 2015 08:00:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YhzWF-0005qp-VQ for qemu-devel@nongnu.org; Tue, 14 Apr 2015 08:00:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34832) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YhzWF-0005q7-85 for qemu-devel@nongnu.org; Tue, 14 Apr 2015 08:00:43 -0400 Message-ID: <552D0166.2010700@redhat.com> Date: Tue, 14 Apr 2015 06:00:38 -0600 From: Eric Blake MIME-Version: 1.0 References: <1428474011-30797-1-git-send-email-liang.z.li@intel.com> <1428474011-30797-12-git-send-email-liang.z.li@intel.com> In-Reply-To: <1428474011-30797-12-git-send-email-liang.z.li@intel.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="UoVgvQCKKNGBLXsfth0grqtCClktJ3QWI" Subject: Re: [Qemu-devel] [v7 11/14] migration: Add interface to control compression List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Liang Li , qemu-devel@nongnu.org Cc: quintela@redhat.com, armbru@redhat.com, lcapitulino@redhat.com, Yang Zhang , amit.shah@redhat.com, dgilbert@redhat.com This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --UoVgvQCKKNGBLXsfth0grqtCClktJ3QWI Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 04/08/2015 12:20 AM, Liang Li wrote: > The multiple compression threads can be turned on/off through > qmp and hmp interface before doing live migration. >=20 > Signed-off-by: Liang Li > Signed-off-by: Yang Zhang > Reviewed-by: Dr.David Alan Gilbert > Reviewed-by: Eric Blake > --- > migration/migration.c | 7 +++++-- > qapi-schema.json | 11 ++++++++++- > 2 files changed, 15 insertions(+), 3 deletions(-) >=20 > +# @compress: Use multiple compression threads to accelerate live migra= tion. > +# This feature can help to reduce the migration traffic, by s= ending > +# compressed pages. Please note that if compress and xbzrle a= re both > +# on, compress only takes effect in the ram bulk stage, after= that, > +# it will be disabled and only xbzrle takes effect, this can = help to > +# minimize migration traffic. The feature is disabled by defa= ult. > +# (since 2.3) Maintainer can tweak this to 2.4, since we've missed 2.3. My R-b still stands. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --UoVgvQCKKNGBLXsfth0grqtCClktJ3QWI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJVLQFmAAoJEKeha0olJ0Nq0rcIAKQpZXmxV+5hPjfgov6bpXGx gHHBcd9XBMM0xPMG1scD23ISw8eZQ99R+FIMLnLwd5DlsS2ITcHizX/rCzoprQ4Q ZAt4QeW27kngCmixgbojQkNiTPjiA51/LgH1rYPbfovCHBoWwHeezVz1w5QpcwRX R7MdYMvcvB7o8BhGXG8ZwOqOW9Ig644aTC4q/r8nclad20PzfCtNdVFonWUwG3dV omTJF5PO+CkcfLZfihRGKRfcoMXDIVGVcXgUH5AeXmUTuH+pS2ts2jg8Mhb6kRwC G8ufgoZ5mQF18kDOAwbnBPclgQPWYLB7ru60gfnUzX8nVsU7+f1d9PfYwPxblxM= =T2vc -----END PGP SIGNATURE----- --UoVgvQCKKNGBLXsfth0grqtCClktJ3QWI--