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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-11610) Revisit consistent range movement restrictions
Date Tue, 19 Apr 2016 18:54:25 GMT
Brandon Williams created CASSANDRA-11610:
--------------------------------------------

             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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