Is there a pointer to evidence/experiment backed analysis of this question? I'm sure there is some basis for this text in the book but I recommend we strike it. We could replace it with YCSB or LoadTestTool driven latency graphs for different workloads maybe. Although that would also be a big simplification of 'schema design' considerations, it would not be so starkly lacking background.
On Sunday, April 7, 2013, Ted Yu wrote: > From http://hbase.apache.org/book.html#number.of.cfs : > > HBase currently does not do well with anything above two or three column > families so keep the number of column families in your schema low. > > Cheers > > On Sun, Apr 7, 2013 at 3:04 PM, Stack <[email protected] <javascript:;>> > wrote: > > > On Sun, Apr 7, 2013 at 11:58 AM, Ted <[email protected] <javascript:;>> > wrote: > > > > > With regard to number of column families, 3 is the recommended maximum. > > > > > > > How did you come up w/ the number '3'? Is it a 'hard' 3? Or does it > > depend? If the latter, on what does it depend? > > Thanks, > > St.Ack > > > -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
