On 05/06/2015 11:50 AM, Juan Quintela wrote: > From: Liang Li <liang.z...@intel.com> > > 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> > Signed-off-by: Juan Quintela <quint...@redhat.com> > --- > 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 > disabled by > # default. (since 1.6) > # > +# @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) s/2.3/2.4/ (okay as a follow-up patch, along with touchups for the rest of the series) -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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