Hi Todd, It's exactly what I was looking for. Thanks.
Best, Da On 12/29/10 5:02 PM, Todd Lipcon wrote: > Hi Da, > > Chris Douglas had an excellent presentation at the Hadoop User Group last > year on just this topic. Maybe you can find his slides or a recording on > YDN/google? > > -Todd > > On Wed, Dec 29, 2010 at 10:20 AM, Da Zheng <zhengda1...@gmail.com> wrote: > >> Hello, >> >> Is the implementation of Hadoop documented somewhere? especially that part >> where >> the output of mappers is partitioned, sorted and spilled to the disk. I >> tried to >> understand it, but it's rather complex. Is there any document that can help >> me >> understand it? >> >> Thanks, >> Da >> > > >