Feature #40907: mgr/dashboard: REST API improvements
mgr/dashboard/api: move/create OSD histogram in separate endpoint
As a result of https://tracker.ceph.com/issues/26954, the OSD histogram information will be removed from the
api/osd/ endpoint. As a side effect, we found out that this histogram was retrieved via
send_command API, which is not recommended for endpoints that are polled often (like the OSD, which is invoked every 5 secs x number of OSDs.
If we deem this histogram information valuable for end users (it seems rather developer focused), the suggestion would be to restore this information to a separate endpoint, like