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From "Stefan Podkowinski (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12870) Calculate pending ranges for identical KS settings just once
Date Wed, 02 Nov 2016 13:25:58 GMT
Stefan Podkowinski created CASSANDRA-12870:
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             Summary: Calculate pending ranges for identical KS settings just once
                 Key: CASSANDRA-12870
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12870
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Stefan Podkowinski
            Assignee: Stefan Podkowinski
             Fix For: 4.0


The {{TokenMetadata.calculatePendingRanges()}} operation can be very expensive and already
has been subject to micro optimization in CASSANDRA-9258. Instead of further optimizing the
calculation itself, I'd like to prevent it from being executed as often by only calling it
just once for all keyspaces sharing identical replication settings. 



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