I could just find this link http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.0.0.2/ds_Hive/orcfile.html
according to this, the metadata is handled by protobuf which allows of adding/removing fields. On Fri, Mar 29, 2013 at 10:55 AM, Jagat Singh <jagatsi...@gmail.com> wrote: > Hello Nitin, > > Thanks for sharing. > > Do we have more details on > > Versioned metadata feature of ORC ? , is it like handling varying schemas > in Hive? > > Regards, > > Jagat Singh > > > > On Fri, Mar 29, 2013 at 4:16 PM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> >> Hi, >> >> Here is is a nice presentation from Owen from Hortonworks on "Optimizing >> hive queries" >> >> http://www.slideshare.net/oom65/optimize-hivequeriespptx >> >> >> >> Thanks, >> Nitin Pawar >> > > -- Nitin Pawar
