nodetool compactionstats displays the compaction's remaining time
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                 Key: CASSANDRA-4167
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4167
             Project: Cassandra
          Issue Type: Improvement
    Affects Versions: 1.0.9
            Reporter: Fabien Rousseau
            Priority: Trivial


nodetool compactionstats allows to display active compactions with their 
progress (a percentage of their completion).

For big compactions (up to a few hundreds of GB), it is sometimes "difficult" 
to know how much time is left before the compactions ends.

The attached patch allows to display the remaining time of active compactions 
based on the "compaction_througput" parameter.

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