Tim’s Weblog Tim's Weblog
Tim Strehle’s links and thoughts on Web apps, managing software development and Digital Asset Management, since 2002.

Disks have become tapes

Tom White - "Disks have become tapes":

"In essence MapReduce works by repeatedly sorting and merging data that is streamed to and from disk at the transfer rate of the disk. Contrast this to accessing data from a relational database that operates at the seek rate of the disk."

(Via Nat Torkington at O'Reilly Radar.) 

Thu, 20 Mar 2008 11:39:08 +0000