CFS reloading of the compaction strategy is done for every metadata update and 
is not thread safe
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                 Key: CASSANDRA-3409
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3409
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.0.0
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne
             Fix For: 1.0.1


The reloading of the compaction strategy done during CFS.reload is not thread 
safe. In particular, this is a problem for leveled compactions. It could leads 
to some sstable not being added to the manifest and also breaks the 'only one 
leveledCompactionTask can run at any given time' assumption (which, at least 
without CASSANDRA-3408 can likely leads to blocking compactions completely).

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