Thanks Franke. Will try that On Wed, Sep 14, 2016 at 2:05 PM Jörn Franke <jornfra...@gmail.com> wrote:
> They should be rather similar, you may gain some performance using Tez or > Spark as an execution engine but in an export scenario do not expect much > performance improvements. > In any scenario avoid to have only one reducer, but use several ones, e.g. > by exporting to multiple output files instead of one. This avoids network > load. > It might be worth to check Apache Pherf to export selected columns from > Hbase. > > On 14 Sep 2016, at 19:19, Nagabhushanam Bheemisetty < > nbheemise...@gmail.com> wrote: > > Hi, > > I have a situation where I need to read data from huge HBase table and > dump it into other location as a flat file. I am not interested in all the > columns rather I need only lets 10 out of 100+ columns. So which technology > Hive/Pig gives better performance. I believe both of them will use serde' > to extract and build record. > > Any thoughts? > > Thanks > >
