On Mon, Nov 22, 2010 at 12:03 PM, Edward Capriolo <edlinuxg...@gmail.com>wrote:
> What of reads that are not in the cache? > Cassandra can use memory mapped io for its data and index files. Hbase > has a very expensive read path for things that are not in cache. HDFS > random read performance is historically poor. > Yep, you guys have an advantage there currently. We have some improvements coming this year that will fix this (HDFS-347 and HDFS-941) -Todd
