Thanks Harsh saw tht federation is available in release 0.23.0 ( http://hadoop.apache.org/common/releases.html) so thought that it must be in 1.0.x as it is latest stable than 0.23.0...
yeah but for small file i think will have to go by HAR only,but are HAR's mutable in newer versions or its still immutable... On Mon, Aug 20, 2012 at 2:21 PM, Harsh J <ha...@cloudera.com> wrote: > Apache Hadoop 1.x does not have Federated NameNodes. It is however > present in the Apache Hadoop 2.x releases. NameNodes can indeed scale > with federated setups, but for faster bulk processing it is still not > a good idea to keep around tiny files when you can have them bigger. > > On Mon, Aug 20, 2012 at 1:26 PM, visioner sadak > <visioner.sa...@gmail.com> wrote: > > Hello experts, > > > > Need some help, does the latest stable release 1.0.3 has hadoop > federation > > (in which we can have multiple name nodes), can the problem of large > small > > file uploads( > http://www.cloudera.com/blog/2009/02/the-small-files-problem/) > > be solved if we use this version with hadoop federation as we get name > nodes > > in clusters > > > > -- > Harsh J >