(this is a user question so sending to the relevant mailing list and putting dev@ in BCC)
Yeah it could be one way. Be aware that some janitorial processes in the master do a full .META. scan every few minutes you might see very quick bursts on one machine. J-D On Sat, Feb 18, 2012 at 4:57 PM, Jagane Sundar <[email protected]> wrote: > Hello HBase gurus, > > I have a question - can I use the metric 'Cluster Requests (R)' published by > the HBase Master's metrics system to detect whether a cluster is idle or not? > Upon first blush this seems like a good idea, but without knowledge of HBase > internals, I am not sure that there aren't any internal housekeeping requests > that will be reported as part of this metric. > > The end goal is to be able to detect an idle HBase cluster and shut it down. > 'Idle' meaning the user, or any application that the user has developed, are > not making any requests to the HBase cluster. > > Thanks in advance, > Jagane
