On Thu, Jul 29, 2010 at 5:02 PM, Aaron Morton <[email protected]> wrote: > > Which type of cache is appropriate to your particular case depends on a > variety of factors including the hotness and other access > characteristics of your data set, the relationship of data set size to > the heap size, row size to key size, and so forth. > > =Rob > > > A little of topic, but I remember reading once from facebook that when a web > user give focus to the inbox search box they sent a message back to warm the > appropriate caches. I think it may have been in the original paper. > > Out of interest is there a way to warm the key cache, other than say sending > a get_range_slices command that asks for 0 columns?
We took it the special-purpose command, but as you say, in modern Cassandra, doing a 0-column query against a row-cached CF would have the desired effect. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
