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Re: HCatalog (from Hive 0.11) and Hadoop 2 - Hive - [mail # dev]
...There is a build scheduled on jenkins for hive trunk which is failing. I will give it a try on my local for hive-011, there is another build which does the ptests which is disabled due to lo...
   Author: Nitin Pawar, 2013-07-29, 15:25
Re: Merging different HDFS file for HIVE - Hive - [mail # user]
...Option 1 ) Use pig or oozie, write a workflow and join the files to a single file Option 2 ) Create a temp table for each of the different file and then join them to a single table and delet...
   Author: Nitin Pawar, 2013-07-26, 12:30
Re: GenericUDFRank UDF is not working as expected - Hive - [mail # user]
...try rank(columntoberanked, columntobegrouped)  in your case rank (userid, city)   On Wed, Jul 24, 2013 at 3:47 AM, Shahar Glixman wrote:     Nitin Pawar...
   Author: Nitin Pawar, 2013-07-24, 06:36
Re: Calling same UDF multiple times in a SELECT query - Hive - [mail # user]
...fucntion return values are not stored for repeat use of same (as per my understanding)  I know you may have already thought about other approach as  select a , if (call  wrote...
   Author: Nitin Pawar, 2013-07-23, 19:25
Re: hive query is very slow,why? - Hive - [mail # user]
...Huang, the number of records are huge and we do not know what your table definition is or what your cluster capacity is?  there are multiple reasons that query is slow Can you share all...
   Author: Nitin Pawar, 2013-07-19, 09:07
Re: can partition and bucket used on external table? - Hive - [mail # user]
...Why not?  Try and let us know as well :)   On Fri, Jul 19, 2013 at 7:54 AM, ch huang  wrote:      Nitin Pawar...
   Author: Nitin Pawar, 2013-07-19, 08:17
Re: Calling Hive script in another Hive script - Hive - [mail # user]
...You may have to write a udf to do the actions performed by the script as a function side query or use your query in transformed by clause and you will have to manipulate data with subqueries...
   Author: Nitin Pawar, 2013-07-19, 08:16
Re: which approach is better - Hive - [mail # user]
...what's the purpose of data storage? whats the read and write throughput you expect? whats the way you will access data while read? whats are your SLAs on both read and write?  there wil...
   Author: Nitin Pawar, 2013-07-17, 18:00
[expand - 1 more] - Re: Hive Query - Hive - [mail # user]
...Once you start a hive query, and abort your script it does not kill your job on hadoop so you will need to find that job on hadoop cluster and kill it.   On Fri, Jul 12, 2013 at 5:20 PM...
   Author: Nitin Pawar, 2013-07-12, 11:51
Re: Hive Storage - Hive - [mail # user]
...I think you may need to read more about how HDFS stores data.  here is the basic definition http://hadoop.apache.org/docs/stable/hdfs_design.html#NameNode+and+DataNodes  by definit...
   Author: Nitin Pawar, 2013-07-11, 10:05
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