Updated openstack/openstack
Project: openstack/glance  b7968cfa93db6ccf37a97169b23f31a1993803aa

Document registry 'workers' option

Currently the 'workers' option -- to increase the number of
service processes -- is only documented for the API.

This change adds the equivalent documentation for the registry.

DocImpact

Change-Id: I0cee0d284eef9ce5dcb26720499f2c4d31eaca0f
Closes-Bug: #1334711