hi all, what are the better ways to check replication overall status of cassandra cluster? within a single DC, unless a node is down for long time, most of the time i feel it is pretty much non-issue and things are replicated pretty fast. But when a node come back from a long offline, is there a way to check that the node has finished its data sync with other nodes ? Now across DC, we have frequent VPN outage (sometime short sometims long) between DCs, i also like to know if there is a way to find how the replication progress between DC catching up under this condtion? Also, if i understand correctly, the only gaurantee way to make sure data are synced is to run a complete repair job, is that correct? I am trying to see if there is a way to "force a quick replication sync" between DCs after vpn outage. Or maybe this is unnecessary, as Cassandra will catch up as fast as it can, there is nothing else we/(system admin) can do to make it faster or better?
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