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Re: Closing long running hive query forcefully - Hive - [mail # user]
...hive waits till the hadoop job is completed. so unless you kill the job of jdbc connection is dropped I don't see any other way to reduce the load on application. best when you think its &nb...
   Author: Nitin Pawar, 2013-02-07, 13:21
Re: ALTER TABLE CHANGE COLUMN issue - Hive - [mail # user]
...it will not work old partition because old data did not have this new column as metadata for old partition  your new meta data applies only to new partitions  always remember there...
   Author: Nitin Pawar, 2013-01-30, 19:37
Re: Run hive queries, and collect job information - Hive - [mail # user]
...for all the queries you run as user1 .. hive stores the hive cli history into .hive_history file (please check the limits on how many queries it stores)  For all the jobs hive cli runs,...
   Author: Nitin Pawar, 2013-01-30, 11:30
Re: Hive ODBC driver - Hive - [mail # user]
...these are c# connecting to hive dlls   On Fri, Jan 25, 2013 at 2:45 PM, Chhaya Vishwakarma  wrote:     Nitin Pawar...
   Author: Nitin Pawar, 2013-01-25, 09:24
Re: Real-life experience of forcing smaller input splits? - Hive - [mail # user]
...set mapred.min.split.size=1024000; set mapred.max.split.size=4096000; set hive.merge.mapfiles=false;  I had set above value and setting max split size to a lower value  did increas...
   Author: Nitin Pawar, 2013-01-25, 06:47
Re: about hive limit optimization settings - Hive - [mail # user]
...hive has a feature for data sampling where you actually don't read the entire table but sample of the table. I suppose these parameters belong to those queries.  more you can read at ht...
   Author: Nitin Pawar, 2013-01-25, 06:13
Re: Configure Hive in Cluster - Hive - [mail # user]
...this is the error on hadoop job  2013-01-23 12:15:44,884 INFO org.apache.hadoop.mapred.ReduceTask: Failed to fetch map-output from attempt_201301231151_0002_m_000001_0 even after MAX_FE...
   Author: Nitin Pawar, 2013-01-23, 08:00
Re: how may map-reduce needed in a hive query - Hive - [mail # user]
...if you look closely in first phase it executes your transform and in second it does your sum operation   On Wed, Jan 23, 2013 at 11:24 AM, Richard  wrote:    Nitin Pawar...
   Author: Nitin Pawar, 2013-01-23, 06:05
Re: HWI use on AWS/EMR - Hive - [mail # user]
...if you are not inside VPC ec2 does not let you change security groups.  so best option would be create a new ami from ur instance and then launch a new instance with a security group yo...
   Author: Nitin Pawar, 2013-01-21, 13:16
Re: Stack function in Hive : how to specify multiple aliases? - Hive - [mail # user]
...I dont think you can do this directly in a query. (I can be wrong)  I just asked took suggestion from a hive guru and he suggested to try lateral view  https://cwiki.apache.org/Hiv...
   Author: Nitin Pawar, 2013-01-10, 10:14
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