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Re: Wildcard support in specifying file location - Hive - [mail # user]
...What Lefty said is correct as per my understanding.  By default, hive maps a table with a directory with location parameter But then you can alter it to point to a single file. (thats t...
   Author: Nitin Pawar, 2013-08-10, 20:10
[expand - 2 more] - Re: Optimizing ORC Sorting - Replace two level Partitions with one? - Hive - [mail # user]
...John,  [[ this is from my experience and I can be wrong ]]  the number of partitions you can have is totally dependent on two factors 1) how much memory (RAM) does your hive client...
   Author: Nitin Pawar, 2013-08-10, 18:33
[expand - 1 more] - Re: Join issue in 0.11 - Hive - [mail # user]
...Will it be possible for you to share your query ? and if you are using any custom udf then the java code for the same ?  how are you upgrading from hive-0.8 to hive-0.11?  aws anno...
   Author: Nitin Pawar, 2013-08-07, 15:30
Re: Hive Query Issue - Hive - [mail # user]
...when you run select * from table .. it does not launch a mapreduce job,  where are when you put some condition, it does need to process the data so it launches a mapreduce job  now...
   Author: Nitin Pawar, 2013-08-06, 10:54
[expand - 2 more] - Re: Error Accessing Mysql metastore - Hive - [mail # user]
...Yes. Please add these two to hive-site.xml  stop your application start hive metastore service make sure hive is working on cli start thirft service start your application make sure you...
   Author: Nitin Pawar, 2013-08-05, 07:23
[expand - 1 more] - Re: Hive Metastore Server 0.9 Connection Reset and Connection Timeout errors - Hive - [mail # user]
...The mentioned flow is called when you have unsecure mode of thrift metastore client-server connection. So one way to avoid this is have a secure way.   public boolean process(final TPro...
   Author: Nitin Pawar, 2013-07-30, 07:49
Re: Best Performance on Large Scale Join - Hive - [mail # user]
...Brad, whats the cluster capacity you have got? how many uniq values of a,b  and c  you have got individually in any of the one table?   Is there any chance you can partition d...
   Author: Nitin Pawar, 2013-07-29, 17:59
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
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