Brandon Williams created CASSANDRA-11610:
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Summary: Revisit consistent range movement restrictions
Key: CASSANDRA-11610
URL: https://issues.apache.org/jira/browse/CASSANDRA-11610
Project: Cassandra
Issue Type: Improvement
Reporter: Brandon Williams
I have a suspicion that we chose the wrong default by always having this on,
with a flag to disable. We ran for a very long time without it out, and at
most a handful of people cared, with very few complaints. Now that we have
this on, the majority who didn't care but want to double even fairly small
clusters have to add a flag to disable it, and then are curious why they need
to.
Regardless of that, I think we need to at least make the restriction more lax;
we currently block the simultaneous addition of nodes across the entire
cluster, even they use NTS and have many DCs with different RF settings. We
should at least allow simultaneous addition in multiple DCs.
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