This is better directed at the Hadoop mailing lists. I've added hadoop core
user mailing list to your query.
Cheers,
-n
On Thu, May 7, 2009 at 1:11 AM, monty123 wrote:
>
> My query is how hadoop manages map files, files etc. stuffs. What is the
> internal data structure is uses to manage things
Why not use the distributed coordination service ZooKeeper? When nodes come
up they write some ephemeral file in a known ZooKeeper directory and anyone
who's interested, i.e. NameNode, can put a watch on the directory and get
notified when new children come up.
On Mon, Jan 26, 2009 at 10:59 AM, Al
