Re: Combining hive tables as one query

2018-05-15 Thread Uli Bethke
col1 from tbl1)a , (select col1 from tb2)b); output as : a      b 0.1  0.2 Any help is appreciated. Thanks Sowjanya -- -- -- Uli Bethke CEO Sonra p: +353 86 32 83 040 Connect on L

Re: Pro and Cons of using HBase table as an external table in HIVE

2017-06-07 Thread Uli Bethke
that too if you have done any such implementations. Thanks and Regards, Rams -- _______ Uli Bethke CEO Sonra p: +353 86 32 83 040 w: www.sonra.io l: linkedin.com/in/ulibethke t: twitter.com/ubethke s: uli.bethke Chair Hadoop User Group Ireland www.hugireland.org Asso

Re: Parquet versus ORC

2016-03-06 Thread Uli Bethke
, Dr Mich Talebzadeh LinkedIn /https://www.linkedin.com/profile/view?id=AAEWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw/ http://talebzadehmich.wordpress.com <http://talebzadehmich.wordpress.com/> -- _______ Uli Bethke Chair Hadoop User Group Ireland www.hugireland.org HUG

Re: Hive on Spark VS Spark SQL

2015-05-20 Thread Uli Bethke
on Spark and SparkSQL which should be better , and what are the key characteristics and the advantages and the disadvantages between ? guoqing0...@yahoo.com.hk -- ___ Uli Bethke Co-founder Sonra p

Apache Hive 0.14.0 prerequisites

2014-11-13 Thread Uli Bethke
What are the prerequisites of running Hive 0.14 (if any)? Is Tez 0.6 required (if I want to use TEZ as exec engine obviousy) or is Tez 0.5 ok? What about versions of Hadoop and HDFS? Any others? Thanks Uli

Re: Hive: Centralized HDFS Caching

2014-08-01 Thread Uli Bethke
adoop 2.3. > > it may help you compare it with what you want to achieve > > > On Fri, Aug 1, 2014 at 4:13 PM, Uli Bethke <mailto:uli.bet...@sonra.io> > wrote: >> >Hi. > > > >in Hive can I make use of the centralized cache management intro

Hive: Centralized HDFS Caching

2014-08-01 Thread Uli Bethke
Hi. in Hive can I make use of the centralized cache management introduced in Hadoop 2.3 (http://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-hdfs/CentralizedCacheManagement.html)? If not implemented yet, is this on the roadmap? My use case is that I want to pin a fact table that needs