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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12949) CFS.setCompressionParameters() method can affect schema globally
Date Thu, 24 Nov 2016 14:52:59 GMT
Aleksey Yeschenko created CASSANDRA-12949:
---------------------------------------------

             Summary: CFS.setCompressionParameters() method can affect schema globally
                 Key: CASSANDRA-12949
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12949
             Project: Cassandra
          Issue Type: Bug
            Reporter: Aleksey Yeschenko
             Fix For: 2.2.x, 3.0.x, 3.x


CFS.setCompressionParameters() method can affect schema globally, despite being intended as
a way to change compression locally on just one node, for experimental purposes.

CFS.setCompactionParamaters(), on the other hand, works correctly, by never modifying the
{{CFMetaData}} object in-place.

Its modification by CFS.setCompressionParameters() means that any subsequent ALTER that affects
that table will pick up the change made by CFS.setCompressionParameters() and disseminate
it to the rest of the cluster.



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