hi, all is it possible to use multiprocess in cinder-backup call, as i try to use multiprocess to speed up some time-cost func, but it does not really run task in multi-core ,only one cpu core is run and other core is stuck. is i run in the wrong way? yuliyang at cmss.chinamobile.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20170413/663e06b8/attachment.html>