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Re: Hive Queries on S3 Data not working after moving to Hive metastore on CDH4 - Hive - [mail # user]
...Any ideas regarding this ?  For now, i have resolved this issue by putting the amazon credentials into the Cloudera Manager Hive service safety valve and deploying the new client config...
   Author: Himanish Kushary, 2013-05-06, 19:33
Re: Aggregate data into map data type values - Hive - [mail # user]
...I found an UDAF from the facebook libraries ( https://issues.apache.org/jira/browse/HIVE-1545) called collect_map which seems to serve the purpose.  Still if this could be done natively...
   Author: Himanish Kushary, 2012-10-19, 00:16
Re: Insert Overwrite Directory fails for multiple nested directory - Hive - [mail # user]
...I found out that Hive can write into multi-level directory based on the property hive.insert.into.multilevel.dirs  Using set hive.insert.into.multilevel.dirs=true; and then running the ...
   Author: Himanish Kushary, 2012-08-27, 17:15
Long running Join Query - Reduce task fails due to failing to report status - Hive - [mail # user]
...Hi,  We have a complex query that involves several left outer joins resulting in 8 M/R jobs in Hive.During execution of one of the stages ( after three M/R has run) the M/R job fails du...
   Author: Himanish Kushary, 2012-08-24, 14:36
Re: Identifying and Marking records as duplicates - Hive - [mail # user]
...Thanks everyone for the different possible solutions.We resolved this by using the rank function and following the instructions at https://github.com/edwardcapriolo/hive-rank  This is s...
   Author: Himanish Kushary, 2012-08-21, 17:29
Re: Multiple Join giving different results compared to separate joins using intermediate table - Hive - [mail # user]
...Thanks Vinod.Why would the results vary ? Could you please give me some pointers on why hive will treat them as different ?  On Sat, Aug 18, 2012 at 4:29 AM, Vinod Singh  wrote: &n...
   Author: Himanish Kushary, 2012-08-20, 15:22
Re: Help with Join involving Non-Equality condition - Hive - [mail # user]
...We are on Hive 0.8 , I think cross join is available only since 0.10.0  Do we have any other options ?  On Thu, Aug 16, 2012 at 2:28 PM, Ablimit Aji  wrote:    Thank...
   Author: Himanish Kushary, 2012-08-16, 18:40
Re: Hive directory permissions - Hive - [mail # user]
...We usually start the shell thru sudo,otherwise we get a "Permission denied" while creating Hive tables.  But this is a good point, any suggestions/best practices from the user community...
   Author: Himanish Kushary, 2012-08-16, 13:50
Re: Reducer throwing warning during join operations.Defaulting int columns to 0 - Hive - [mail # user]
...Hi,  To address this issue , for now I have changed the all my fields in the external tables to STRING datatype.The joins on external tables are working fine now. Will try to change the...
   Author: Himanish Kushary, 2012-08-16, 13:32
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