> If you were just inserting a lot of data fast, it may be that > background compaction was unable to keep up with the insertion rate. > Simply leaving the node(s) for a while after the insert storm will let > it catch up with compaction. > > (At least this was the behavior for me on a recent trunk.)
We've also seen similar problems https://issues.apache.org/jira/browse/CASSANDRA-1177 Sounds like this is about pushing back on too fast inserts https://issues.apache.org/jira/browse/CASSANDRA-685 cheers -- Torsten