Tables with TTL should be able to prune memstore w/o flushing
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                 Key: HBASE-3526
                 URL: https://issues.apache.org/jira/browse/HBASE-3526
             Project: HBase
          Issue Type: Improvement
          Components: regionserver
    Affects Versions: 0.90.0
            Reporter: ryan rawson
             Fix For: 0.90.2


If you have a table with TTL, the memstore will grow until it hits flush size, 
at which point the flush code will prune the KVs going to hfile. If you have a 
small TTL, it may not be necessary to flush, since pruning data in memory would 
ensure that we never grow too big.



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