From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45860) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yq4h3-0006eB-U2 for qemu-devel@nongnu.org; Wed, 06 May 2015 15:09:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yq4gz-0005Dx-DV for qemu-devel@nongnu.org; Wed, 06 May 2015 15:09:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34087) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yq4gz-0005DH-5p for qemu-devel@nongnu.org; Wed, 06 May 2015 15:09:13 -0400 Message-ID: <554A66D6.8080407@redhat.com> Date: Wed, 06 May 2015 13:09:10 -0600 From: Eric Blake MIME-Version: 1.0 References: <1430934604-18207-1-git-send-email-quintela@redhat.com> <1430934604-18207-12-git-send-email-quintela@redhat.com> In-Reply-To: <1430934604-18207-12-git-send-email-quintela@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ipEHHStqhC4lAmvUaG88DSiaEvfNGgQF8" Subject: Re: [Qemu-devel] [PULL 11/15] migration: Add interface to control compression List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Juan Quintela , qemu-devel@nongnu.org Cc: Yang Zhang , Liang Li This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ipEHHStqhC4lAmvUaG88DSiaEvfNGgQF8 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 05/06/2015 11:50 AM, Juan Quintela wrote: > From: Liang Li >=20 > 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 > Signed-off-by: Juan Quintela > --- > migration/migration.c | 7 +++++-- > qapi-schema.json | 11 ++++++++++- > 2 files changed, 15 insertions(+), 3 deletions(-) > +++ b/qapi-schema.json > @@ -515,13 +515,22 @@ > # to enable the capability on the source VM. The feature is d= isabled by > # default. (since 1.6) > # > +# @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) s/2.3/2.4/ (okay as a follow-up patch, along with touchups for the rest of the serie= s) --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --ipEHHStqhC4lAmvUaG88DSiaEvfNGgQF8 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/ iQEcBAEBCAAGBQJVSmbWAAoJEKeha0olJ0NqnBEH/iLmA7+7H+BbQqznWSPb0li6 rG9VrjyHjNAszIw3Y6rzlk4Xjp728XCkRoqHcnNHXozfAND488yoywdSmNHeNRPk ncJJ2995KqIdkeyrrKvZ1AqnP6wGCJmaP2jZhGfLNCH83mqVk+ZIVm/udX2jVB7J 5MIFjtk95bpV/v9X4yaib/2fDj1YINvORWXCo6nnJMbIqI9/AVNCckfN02pBQ9KV G8E8TO4RHbmqhqM8k8PB2tedVolpPlhBCKuMjHhx3aY2KdmZccxCN2mYDwIDrjyp q0JXelGzKJ/EFIzna2ofP7QIFbvf6Hb0emDabLel4dDdqCNeWF7ScGs7BkzaTYk= =girU -----END PGP SIGNATURE----- --ipEHHStqhC4lAmvUaG88DSiaEvfNGgQF8--