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. > > Signed-off-by: Liang Li <liang.z...@intel.com> > Signed-off-by: Yang Zhang <yang.z.zh...@intel.com> > Reviewed-by: Dr.David Alan Gilbert <dgilb...@redhat.com> > Reviewed-by: Eric Blake <ebl...@redhat.com> > --- > migration/migration.c | 7 +++++-- > qapi-schema.json | 11 ++++++++++- > 2 files changed, 15 insertions(+), 3 deletions(-) >
> +# @compress: Use multiple compression threads to accelerate live migration. > +# This feature can help to reduce the migration traffic, by sending > +# compressed pages. Please note that if compress and xbzrle are 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 default. > +# (since 2.3) Maintainer can tweak this to 2.4, since we've missed 2.3. My R-b still stands. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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