Take a look at Hue, it a web app that does exactly what you're talking about. It uses a combination of RPC calls and other public APIs as well as a custom plugin that adds additional APIs via thrift.
Hue can be deployed on any node and is mostly written in Python. -Joey On Jan 11, 2012, at 2:32, Michael Lok <fula...@gmail.com> wrote: > Hi Franck, > > Thanks for the info. However, I'm looking at decoupling this app from the > embedded Jetty in Hadoop. Ideally, it should be deployed in a separate > server as the NameNode. Is this possible? > > > > > On Wed, Jan 11, 2012 at 3:23 PM, Franck Besnard <besn0...@yahoo.com> wrote: > Hello > Yes this is quite trivial and for example ibm did that in their big insights > flavor of hadoop > The hadoop alrzady has quite a lot of instrumentation regarding monitoring > and you can extend the embedded jetty to add more features. > Ideally this webapp should nit be bundled within the nodes but that s the way > it is > Cheers > Franck > > > > Envoyé à partir de Yahoo! Mail (sur Android) > > > From: Michael Lok <fula...@gmail.com>; > To: <hdfs-user@hadoop.apache.org>; > Subject: Custom web app > Sent: Wed, Jan 11, 2012 7:07:39 AM > > Hi folks, > > I was wondering if it's possible to develop a custom front end which > allows monitoring/management of jobs/tasks and hdfs. From what i can > see from the built in webapp, all JSPs retrieve the relevant > NameNode/TaskTracker objects from the application instance; which is > set during NameNode creation. Was wondering if it's possible to > connect to a remote NameNode from an external server and application > using Hadoop's API classes. > > > Thanks. >
