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Re: loading data in HDFS similar to raid concept(i.e i have 100GB data file load as 30GB in one node, 40 GB in other node and 30GB in other node - Hive - [mail # user]
...Hi Shaik  AFAIK it is not possible in hadoop. The hdfs storage concept is different from RAID, In hdfs your file is broken down to blocks and each of these blocks are stored in one or m...
   Author: Bejoy KS, 2012-08-13, 11:11
Re: Exploding Array of String in Hive - Hive - [mail # user]
...Hi Raihan  To fetch an element of an Array you can just specify the position of the element in your query.  Say if you have a table like 'test_table' with a field 'arr_clmn Array',...
   Author: Bejoy KS, 2012-08-11, 08:53
Re: [ANNOUNCE] New Hive Committer - Navis Ryu - Hive - [mail # dev]
...Congrats Navis.. :)  Regards Bejoy KS  Sent from handheld, please excuse typos.  From: alo alt  Date: Fri, 10 Aug 2012 17:08:07  To:  Reply-To: [EMAIL PROTECTED...
   Author: Bejoy KS, 2012-08-10, 15:10
Re: Caused by: java.io.EOFException - Hive - [mail # user]
...It could be like the file corresponding to the partition dt='20120731' got corrupted.  This file as pointed in the error logs should be the culprit. hdfs://ares-nn/apps/hdmi-technology/...
   Author: Bejoy KS, 2012-08-07, 00:27
[expand - 5 more] - Re: Passing date as command line arguments - Hive - [mail # user]
...Yes that is the right issue. Variable substitution is not happening. I can't say much here as I haven't tried out this on 0.6 . The code on my blog post is based on 0.7 or higher version I g...
   Author: Bejoy KS, 2012-08-04, 07:39
Re: schema of hive database - Hive - [mail # user]
...Hi Techy  To use 'describe formatted' you need at least hive 0.7. But 'describe extended' should be available in hive 0.6 itself.  It is always better using the latest version. I r...
   Author: Bejoy KS, 2012-08-02, 22:14
Re: Unable to merge 3 tables in hive - Hive - [mail # user]
...Hi  If you have run simple table level sqoop import the definitely all the tables will be imported separately to hdfs. If you need the data from 3 tables joined together, frame a proper...
   Author: Bejoy KS, 2012-08-01, 07:11
Re: ERROR - Hive - [mail # user]
...Hi Abshiek  To get the cause of this error, you need to look at the failed mapreduce task logs.  Regards Bejoy KS  Sent from handheld, please excuse typos.  From: abhiTow...
   Author: Bejoy KS, 2012-07-31, 16:13
[expand - 1 more] - Re: Data Loaded but Select returns nothing! - Hive - [mail # user]
...Hi Kuldeep  The syntax doesn't look fine to me, to load data manually into partitions you need two statements for 2 partitions LOAD DATA LOCAL INPATH '/home/cloudera/CrimeHive_Albana.cs...
   Author: Bejoy KS, 2012-07-30, 13:22
Re: Rename an output file in hive {was: Re: Possibility of defining the Output directory programmatically} - Hive - [mail # user]
...Hi Manisha  In mapreduce if you want to change the name of output file you may need to write your own OutputFormat.  Renaming files in hdfs is straight forward hadoop fs -mv oldFil...
   Author: Bejoy KS, 2012-07-27, 08:35
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB