Tell us more about your cluster. Tell us more about your configs. Can you move to 0.90.0 hbase? Its been out for a little while now and has perf improvements over 0.20.6.
Thanks, St.Ack On Thu, Feb 10, 2011 at 4:15 AM, Alex Slatman <[email protected]> wrote: > Hello, > > I don't know if this is the correct mailinglist to ask a question like mine. > If not please be so kind to redirect me to the correct malinglist. > At this moment we have a small cluster running hadoop and hbase. We are > experimenting with different sized tables and performance options. (Using > hbase 20.06). In our testing environment we have a table containing ~20 > million rows with having 2 column families. Each column family has (at most) > 10.000 columns. To my knowledge data is stored on a per row per columnfamily > basis. We see performance dropping a lot when the number of columns in a > columnfamily increases. Is there a way to improve performance or am I > missing something here? > > I already tried setting the columnfamily IN_MEMORY and decreasing blocksize. > Unfortunately with no result. I hope someone could point me in the right > direction, > > > Kind regards, > > Alex > > > >
