Yes, the row key is stored with every column. Avoid ridiculously long row keys :-) Use compression.
On Thu, Apr 14, 2011 at 1:54 PM, Yves Langisch <y...@langisch.ch> wrote: > Hi, > > On the opentsdb website [1] you can read the following: > --- > The problem with HBase's implementation is that every single cell also stores > the row key and a bunch of other redundant information. In the example above > with 2 rows and 16 cells, the 13-byte row key is stored 16 times both on disk > and in memory. This leads to several scalability problems, especially due to > memory pressure inside Region Servers and the increased number of objects > that HBase has to handle. > --- > > Is that true? Means that long row keys and many columns should be avoided? > > Yves > > [1] http://opentsdb.net/schema.html
