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authorShankaranarayanan Puzhavakath Narayanan <snarayanan@research.att.com>2020-05-28 19:14:54 +0000
committerGerrit Code Review <gerrit@onap.org>2020-05-28 19:14:54 +0000
commitd19432040dd1d6cf8c7b13cd67d581314dc52e63 (patch)
treecd4164e3090bf1d5c3e5fc7f663abeb3382a3a0d /docs
parent8102c6f6d133dbead0b9844160d58c84028fe831 (diff)
parentb3bb1f758cbfba5e604e1c7fb3dc0947f4be2e03 (diff)
Merge "Add upgrade strategy to docs" into frankfurt6.0.0-ONAPfrankfurt
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+..
+ This work is licensed under a Creative Commons Attribution 4.0
+ International License.
+
+================
+Upgrade Strategy
+================
+
+OSDF can be upgraded in place(remove and replace) or in a blue-green
+strategy.
+
+There is no need for database migration. Since, there is no database
+being used by OSDF.
+
+Supporting Facts
+================
+
+OSDF is a stateless component. It doesn't store any information in the
+database. It holds on to the optimization request in memory only until
+the optimization process is complete. The optimization is done either by
+OSDF itself or other external components(such as HAS) are leveraged for
+optimization.