Try dropping the min compaction threshold via node tool to 2, that should force
every compaction bucket to get processed.
Use nodetool flush to trigger minor compaction for all cf's.
Clean will only remove load if you have moved tokens.
Cheers
-
Aaron Morton
Freelance Cassandra
Cassandra 0.7.6 , 4 node cluster
I ran a nodetool repair for a column family a week ago which caused the load
on that node to double. The diagnosis was that I had hit
https://issues.apache.org/jira/browse/CASSANDRA-2280
and that minor compactions will get rid of the unnecessary data and reduce
the