neutron/releasenotes/notes/oslo-cache-cache-url-deprec...

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---
features:
- Neutron switched to using oslo.cache library to cache port state in
metadata agent. With it, more caching backends are now available, including
Memcached and Mongo. More details in oslo.cache documentation.
deprecations:
- The cache_url configuration option is deprecated as of Newton, and will be
removed in Ocata. Please configure metadata cache using [cache] group,
setting enable = True and configuring your backend.