Your best bet - short of tailing the logs - seems to use the compactionQueue metric, that is available through Ganglia and JMX. It should go back to zero when all compactions are done.
On Nov 27, 2011, at 1:41 PM, Rita wrote:
> When I do a major compaction of a table (1 billion rows). How do I know
> when its completed? Also, what can I see in the metrics to see the status
> of it
> --- Get your facts first, then you can distort them as you please.--