-Re: is it possible to view the number of hfiles a GET touches in hbase?
Jean-Daniel Cryans 2012-08-10, 18:11
This won't be possible until we add tracing in HBase. It's being
worked on here: https://issues.apache.org/jira/browse/HBASE-6449
On Fri, Aug 10, 2012 at 4:17 AM, Richard Tang <[EMAIL PROTECTED]> wrote:
> Given a GET() operation, I want to monitor the number of on-disk hfiles it
> touches? GET() may need to
> check every in-memory hfiles (block index), but don't need to touch every
> on-disk parts of hfiles. I want to know
> how many disk hfile a GET() accesses, that is, how many disk IO a GET() end
> up with...
> is it possible to obtain this information without hack into hbase source