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Re: Loading data into hive tables - Hive - [mail # user]
...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 ...
   Author: bejoy_ks@..., 2011-12-09, 04:51
Re: upgrading hadoop package - Hive - [mail # user]
...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  ...
   Author: bejoy_ks@..., 2011-09-01, 19:03
Re: Re:Re: Re: RE: Why a sql only use one map task? - Hive - [mail # user]
...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...
   Author: bejoy_ks@..., 2011-08-25, 14:51
Re: Hive crashing after an upgrade - issue with existing larger tables - Hive - [mail # user]
...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: ...
   Author: bejoy_ks@..., 2011-08-18, 15:48
[expand - 1 more] - Re: how to load data to partitioned table - Hive - [mail # user]
...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 ...
   Author: bejoy_ks@..., 2011-08-14, 16:15
Re: why need to copy when run a sql with a single map - Hive - [mail # user]
...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...
   Author: bejoy_ks@..., 2011-08-10, 18:59
[expand - 1 more] - Re: Hive or pig for sequential iterations like those using foreach - Hive - [mail # user]
...Thanks Amareshwari, the article gave me much valuable hints to decide my choice. But on curiosity, does hive support stage by stage iterative processing? If so how?   Thank You Regards ...
   Author: bejoy_ks@..., 2011-08-08, 12:35
Re: NPE with hive.cli.print.header=true; - Hive - [mail # user]
...Hi Ayon     AFAIK hive is supposed to behave so. If you set the hive.cli.print.header=true for enabling column headers then some commands like 'desc' is not expected to work. Not s...
   Author: bejoy_ks@..., 2011-08-02, 05:20
Re: Hive create table - Hive - [mail # user]
...Hi Jinhang        I don't think hive supports multi character delimiters. The hassle free option here would be to preprocess the data using mapreduce to replace the multi...
   Author: bejoy_ks@..., 2011-05-25, 12:21
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