> > > > That's inaccurate, we can check the replica set for the subrange we're about to run and see if it overlaps with the replica set of other ranges which are being processed already. We can definitely check the replicas for the subrange we plan to run and see if they overlap with the ongoing one. I am saying that for a smaller cluster if we want to repair multiple token ranges in parallel, it is tough to guarantee that replica sets won't overlap.
>Jira to auto-delete snapshots at X% disk full ? Sure, just created a new JIRA https://issues.apache.org/jira/browse/CASSANDRA-20035 Jaydeep