The culprit might be the fragmentation calculation. See https://issues.apache.org/jira/browse/HBASE-2165. St.Ack
On Wed, Mar 10, 2010 at 9:33 AM, Andrew Purtell <[email protected]> wrote: >> However, once and every while our Nagios (our service monitor) > detects >> that requesting the Hbase master page takes a long > time. Sometimes > 10 >> sec, rarely around 30 secs but most of > the time < 10 secs. In the cases >> the page loads slowly, > there is a fair amount of load on Hbase. > > I've noticed this also. With 0.20.4-dev. I think others have mentioned it > on the list from time to time. However, I can never seem to jump on to a > console fast enough to grab a stack dump before the UI becomes responsive > again. :-( It is not consistent behavior. It concerns me that perhaps > whatever lock is holding up the UI is also holding up any client > attempting to (re)locate a region. If I manage to capture it I will file > a jira. > > > > - Andy > > > > >
