On Mon, Mar 14, 2011 at 1:59 PM, mcasandra <mohitanch...@gmail.com> wrote: > Currently, in cassandra.yaml disk_access_mode is set to "auto" but the > recommendation seems to be to use 'mmap_index_only'.
Wrong. The recommendation is to leave it on auto. > If we use HugePages then do we still need to worry about setting > disk_access_mode to mmap? I am planning to enable HugePages and use > -XX:+UseLargePages option in JVM. I had a very good experience using > HugePages with Oracle. HugePages has nothing to do with disk access mode. -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
