Aleksey Yeschenko created CASSANDRA-12949:
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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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