Kartik Ganesh ee7b731975
Adds the replication type index setting, alongside a formal notion of feature flags (#3037)
* This change formalizes the notion of feature flags, and adds a "replication type" setting that will differentiate between document and segment replication, gated by a feature flag. 

Since seg-rep is currently an incomplete implementation, the feature flag ensures that the setting is not visible to users without explicitly setting a system property. We can then continue to merge seg-rep related changes from the feature branch to `main` safely hidden behind the feature flag gate.

Signed-off-by: Kartik Ganesh <gkart@amazon.com>

* Update security policy for testing feature flags

Signed-off-by: Nicholas Walter Knize <nknize@apache.org>

Co-authored-by: Nicholas Walter Knize <nknize@apache.org>
2022-04-25 10:51:02 -07:00
..