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Re: Real-life experience of forcing smaller input splits? - Hive - [mail # user]
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...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...
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Author: Nitin Pawar,
2013-01-25, 06:47
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Re: Hive ODBC driver - Hive - [mail # user]
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...see if any of the below drivers help you https://bitbucket.org/vadim/hive-sharp/downloads/hive-sharp-lib.dll http://nuget.org/List/Packages/Hive.Sharp.Lib On Fri, Jan 25,...
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Author: Nitin Pawar,
2013-01-25, 06:30
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Re: about hive limit optimization settings - Hive - [mail # user]
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...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...
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Author: Nitin Pawar,
2013-01-25, 06:13
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Re: Configure Hive in Cluster - Hive - [mail # user]
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...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...
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Author: Nitin Pawar,
2013-01-23, 08:00
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Re: Re: Configure Hive in Cluster - Hive - [mail # user]
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...when you ran the query, did the VM shutdown ? On Wed, Jan 23, 2013 at 12:57 PM, venkatramanan wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-01-23, 07:37
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Re: how may map-reduce needed in a hive query - Hive - [mail # user]
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...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...
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Author: Nitin Pawar,
2013-01-23, 06:05
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Re: how may map-reduce needed in a hive query - Hive - [mail # user]
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...you can run explain extended (your query) to get more details On Wed, Jan 23, 2013 at 9:15 AM, Richard wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-01-23, 04:07
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Re: HWI use on AWS/EMR - Hive - [mail # user]
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...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...
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Author: Nitin Pawar,
2013-01-21, 13:16
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Re: HWI use on AWS/EMR - Hive - [mail # user]
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...right click on the instance in your aws console and you should be able to change the security group for the node. This feature was not there previously, came in few months back &...
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Author: Nitin Pawar,
2013-01-21, 11:56
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Re: HWI use on AWS/EMR - Hive - [mail # user]
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...ok so much discussion around this but why dont you open access to port 9999 for your specific machine (home/office) and access it normally without setting up port forwarding. AWS does ...
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Author: Nitin Pawar,
2013-01-18, 17:07
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