OpenStack host maintenance and upgrade in interaction with application on top of it

Gerrit User 28614 614f11bf2e Create change ... Uploaded patch set 1. Patch-set: 1 Change-id: I35c087c9da9ea68fe586b6d21a94614d15954354 Subject: Sync Sphinx requirement Branch: refs/heads/master Commit: 8cc96f6960 Groups: 8cc96f6960		2019-06-12 02:52:40 +00:00