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Re: Insert based on whether string contains - Hive - [mail # user]
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...I agree with Matt on that aspect. The solution proposed by me was purely based on the sample data provided where there were 3 digit comma separated values. If there are chances of 4 di...
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Author: bejoy_ks@...,
2012-01-04, 14:05
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Re: Schemas/Databases in Hive - Hive - [mail # user]
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...Also multiple databases have proved helpful for me in organizing tables into corresponding databases when you have quite a large number of tables to manage. Also I believe it'd be helpful in...
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Author: bejoy_ks@...,
2011-12-22, 17:23
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Re: Schemas/Databases in Hive - Hive - [mail # user]
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...Ranjith Hive do support multiple data bases if y ou are on some of the latest versions of hive try Create database testdb; Use testdb; It should give you wha...
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Author: bejoy_ks@...,
2011-12-22, 17:19
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Re: Loading data into hive tables - Hive - [mail # user]
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...Adithya The answer is yes. SQOOP is the tool you are looking for. It has an import option to load data from from any jdbc compliant database into hive. It ...
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Author: bejoy_ks@...,
2011-12-09, 04:51
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Re: upgrading hadoop package - Hive - [mail # user]
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...Hi Li AFAIK 0.21 is not really a stable version of hadoop . So if this upgrade is on a production cluster it'd be better to go in with 0.20.203. Regards Bejoy K S ...
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Author: bejoy_ks@...,
2011-09-01, 19:03
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Re: Re:Re: Re: RE: Why a sql only use one map task? - Hive - [mail # user]
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...Hi Daniel In the hadoop eco system the number of map tasks is actually decided by the job basically based no of input splits . Setting mapred.map.task...
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Author: bejoy_ks@...,
2011-08-25, 14:51
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Re: Hive crashing after an upgrade - issue with existing larger tables - Hive - [mail # user]
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...A small correction to my previous post. The CDH version is CDH u1 not u0 Sorry for the confusion Regards Bejoy K S From: Bejoy Ks Date: Thu, 18 Aug 2011 05:51:58 To: ...
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Author: bejoy_ks@...,
2011-08-18, 15:48
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Re: how to load data to partitioned table - Hive - [mail # user]
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...Ya I very much agree with you on those lines. Using the basic stuff would literally run into memory issues with large datasets. I had some of those resolved by using the DISTRIBUTE BY ...
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Author: bejoy_ks@...,
2011-08-14, 16:15
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Re: how to load data to partitioned table - Hive - [mail # user]
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...Hi Daniel Just having a look at your requirement , to load data into a partition based hive table from any input file the most hassle free approach would be. 1. Lo...
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Author: bejoy_ks@...,
2011-08-12, 13:58
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Re: why need to copy when run a sql with a single map - Hive - [mail # user]
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...Hi Hive queries are parsed into hadoop map reduce jobs. In map reduce jobs, between map and reduce tasks there are two phases, copy-phase and sort-phase together known as sort and shu...
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Author: bejoy_ks@...,
2011-08-10, 18:59
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