On Fri, Jul 29, 2011 at 4:35 AM, Terje Marthinussen <tmarthinus...@gmail.com> wrote: > "What is the origin of the mmap > is substantially faster" claim?
The origin is the performance testing we did when adding mmap'd i/o. I believe Chris Goffinet also found a double-digit percentage performance improvement at Digg and/or Twitter, but I don't remember the details. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
