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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-5549) Remove Table.switchLock
Date Wed, 08 May 2013 04:33:15 GMT
Jonathan Ellis created CASSANDRA-5549:

             Summary: Remove Table.switchLock
                 Key: CASSANDRA-5549
             Project: Cassandra
          Issue Type: Bug
            Reporter: Jonathan Ellis
             Fix For: 2.0

As discussed in CASSANDRA-5422, Table.switchLock is a bottleneck on the write path.  ReentrantReadWriteLock
is not lightweight, even if there is no contention per se between readers and writers of the
lock (in Cassandra, memtable updates and switches).

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