Re: Question on pending tasks in compaction manager

2012-07-01 Thread Jonathan Ellis
Pending compactions is just an estimate of how many compactions does Cassandra think it will take to get to fully-compacted state; there are no actual tasks enqueued anywhere. You could enable debug logging on org.apache.cassandra.db.compaction, and force a compaction with nodetool to see why no

Question on pending tasks in compaction manager

2012-06-29 Thread Martin McGovern
Hi All, Could someone explain why the compaction manager stops compacting when it has a number of pending tasks? I have a test cluster that I am using to stress test IO throughput, i.e. find out what a safe load for our hardware is. Over a 16 hour period my node cluster completes approximately