Are you over-committing memory? That sounds like you may have some issues with swapping.
On Tue, Jun 21, 2011 at 8:43 AM, Andre Reiter <a.rei...@web.de> wrote: > the MR jobs on our Hbase table are running far too slow... RowCounter is > running about 13 minutes for 3249727 rows, thats just inacceptable
