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select * from table and select column from table in hive - Hive - [mail # user]
...I am able to see the data in the table for all the columns when I issue the following - SELECT * FROM t1 WHERE dt1='2013-11-20' But I am unable to see the column data when i issue the follow...
   Author: Raj Hadoop, 2014-10-20, 18:56
[expand - 4 more] - Re: Remove duplicate records in Hive - Hive - [mail # user]
...Thank you all for your suggestions. This group is the best.I am working with the different options you guys suggested.One big question I have is -I am good at writing Oracle SQL queries. But...
   Author: Raj Hadoop, 2014-09-11, 14:33
rhadoop install - Hadoop - [mail # user]
...hi all,I am trying to find documentation relavanet to 'rhadoop' on cdh4. If there are any one in the group who has experience in 'rhadoop' can you provide me some details like 1) installatio...
   Author: Raj Hadoop, 2014-07-09, 14:57
CDH4 administration through one account - Hadoop - [mail # user]
...Hi, I have a cluster CDH4. How can one perform hadoop admin without root access. Basically an account like 'john1' on the cluster want to have access to hdfs, mapred etc., Should 'john1' be ...
   Author: Raj Hadoop, 2014-04-28, 19:44
Can I update just one row in Hive table using Hive INSERT OVERWRITE - Hive - [mail # user]
...Can I update ( delete and insert kind of)just one row keeping the remaining rows intact in Hive table using Hive INSERT OVERWRITE. There is no partition in the Hive table.INSERT OVERWRITE TA...
   Author: Raj Hadoop, 2014-04-04, 20:58
[expand - 5 more] - Re: HiveThrift Service Issue - Hadoop - [mail # user]
...Hi Szehon,It is not showing on the http://xyzserver:50030/jobtracker.jsp.I checked this log. and this shows as -/tmp/root/hive.log   exec.ExecDriver (ExecDriver.java:addInputPaths(853)) - Pr...
   Author: Raj Hadoop, 2014-03-20, 21:00
[expand - 1 more] - Re: Sqoop import to HDFS and then Hive table - Issue with data type - Hive - [mail # user]
...I am surprised. So you mean to say should I keep on running the same command multiple times -]Alter tableIt was a timestamp and then I later changed to string.Please advise.On Tuesday, March...
   Author: Raj Hadoop, 2014-03-04, 22:37
[expand - 1 more] - Connection refused error - Getting repeatedly - Hadoop - [mail # user]
...All, I have a 3 node hadoop cluster CDH 4.4 and every few days or when ever I load some data through sqoop or query through hive , sometimes I get the following error -Call From > to >...
   Author: Raj Hadoop, 2014-02-26, 18:57
[expand - 1 more] - Re: part-m-00000 files and their size - Hive table - Hive - [mail # user]
...Thanks for the detailed explanation Yong. It helps.Regards,RajOn Tuesday, February 25, 2014 9:18 PM, java8964  wrote: Yes, it is good that the file sizes are evenly close, but not ...
   Author: Raj Hadoop, 2014-02-26, 03:36
[expand - 1 more] - Re: Can a hive partition contain a string like 'tr_date=2014-01-01' - Hive - [mail # user]
...Thanks. Will try it.On Tuesday, February 25, 2014 8:23 PM, Kuldeep Dhole  wrote: Probably you should use tr_date='2014-01-01'Considering tr_date partition is thereOn Tuesday, Febru...
   Author: Raj Hadoop, 2014-02-26, 01:38
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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