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Re: Hive compression with external table - Hive - [mail # user]
...Hi Krishna  Sequence Files + Snappy compressed would be my recommendation as well. It can be processed by managed as well as external tables.  There is no difference in storage for...
   Author: Bejoy KS, 2012-11-06, 17:22
Re: Creating Indexes - Hive - [mail # user]
...AFAIK you don't any hive jars on cluster. The hive jars are just required on the client node .  Regards Bejoy KS  Sent from handheld, please excuse typos.  From: Dean Wampler ...
   Author: Bejoy KS, 2012-11-01, 13:09
Re: FAILED: Hive Internal Error - Hive - [mail # user]
...Hi Sagar  Your JT web UI should work fine as JobTracker daemon is up and running but the dfs web UI http://localhost:50070 will not work as NameNode is not up and running.  The iss...
   Author: Bejoy KS, 2012-10-27, 12:42
Re: Executing queries after setting hive.exec.parallel in hive-site.xml - Hive - [mail # user]
...Hi Chunky  This parameter will come into effect only if a query has been parsed to multiple mapreduce jobs and some of them can be executed in parallel. ie all the jobs generated by the...
   Author: Bejoy KS, 2012-10-25, 12:42
Re: Query - Hive - [mail # user]
...Hi Venugopal  If you like to have your column names along with result set you need to set 'hive.cli.print.header' to true.  SET hive.cli.print.header=true;  It works well over...
   Author: Bejoy KS, 2012-10-23, 06:54
Re: How to run multiple Hive queries in parallel - Hive - [mail # user]
...Hi   From the jobtracker web UI you can get the total number of map and reduce slots. Also from the wen UI itself you can get the num of running map/reduce tasks. Second value subtracte...
   Author: Bejoy KS, 2012-10-22, 15:10
Re: Implementing a star schema (facts & dimension model) - Hive - [mail # user]
...Hi Austin  You can import the existing tables to hive as such using sqoop. Hive is a wrapper over mapreduce that gives you the flexibility to create optimized mapreduce jobs using SQL l...
   Author: Bejoy KS, 2012-10-22, 11:29
Re: need help to write a query that does same as BETWEEN operator - Hive - [mail # user]
...Hi Praveen  If Between is not supported in your hive version, you can replace Between using  . Like  SELECT *FROM account a, timezone.g WHERE a.create_date >= g.start_date ...
   Author: Bejoy KS, 2012-10-12, 09:58
Re: Need Help in Hive storage format - Hive - [mail # user]
...Hi Yogesh.   It should be a simple delimited file with ^A character  as the field delimiter.  Regards Bejoy KS  Sent from handheld, please excuse typos.  From: yoges...
   Author: Bejoy KS, 2012-10-11, 17:53
Re: hive mapred problem - Hive - [mail # user]
...Hi Ajit  Is Oracle jdk used in your data nodes? If it is open jdk then I guess jps won't work. Also have you configured java correctly on DNs for the user that issues jps command?  ...
   Author: Bejoy KS, 2012-10-09, 12:27
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