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Re: Data Nucleus - Hive - [mail # user]
...If you want to create the schema (tables+columns+constraints) during the persistence process, the property *datanucleus.autoCreateSchema *provides a way of telling DataNucleus to do this &nb...
   Author: Nitin Pawar, 2013-10-07, 06:40
Self join issue - Hive - [mail # dev]
...Hi,  I just raised a ticket for a table with self join query. Table is created with json serde provided by cloudera.  When  I run a single query on the table like select col f...
   Author: Nitin Pawar, 2013-10-03, 09:28
[expand - 2 more] - Re: Dealing with duplicate rows in Hive - Hive - [mail # user]
...Yes doing group by or distinct on 50 columns is ugly.   One option (ugly as well) is first select only these 9 columns and then do a select * with join of the first .  something li...
   Author: Nitin Pawar, 2013-10-02, 09:24
Re: Looking for help related to HUE - Hive - [mail # user]
...Any error stack? exception ?   On Tue, Oct 1, 2013 at 3:23 PM,  wrote:     Nitin Pawar...
   Author: Nitin Pawar, 2013-10-01, 10:11
[expand - 1 more] - Re: Error - loading data into tables - Hive - [mail # user]
...Manickam,  I am really not sure if hive supports Federated namespaces yet. I have cc'd dev list.  May be any of the core hive developers will be able to tell how to load data using...
   Author: Nitin Pawar, 2013-10-01, 07:48
Re: Converting from textfile to sequencefile using Hive - Hive - [mail # user]
...are you using hive to just convert your text files to sequence files? If thats the case then you may want to look at the purpose why hive was developed.  If you want to modify data or p...
   Author: Nitin Pawar, 2013-09-30, 18:41
[expand - 2 more] - Re: Not able to execute this query - Hive - [mail # user]
...Do the hue user have permissions to access '/user/hue'? is that directory existing ?   On Mon, Sep 30, 2013 at 8:58 PM,  wrote:     Nitin Pawar...
   Author: Nitin Pawar, 2013-09-30, 15:37
[expand - 1 more] - Re: unable to create a table in hive - Hive - [mail # user]
...hive-site.xml will be placed under your hive conf directory.  anyway, try using location flag to your ddl like below CREATE TABLE TABLE_A (EMPLOYEE_ID INT, EMPLOYEE_NAME STRING, EMPLOYE...
   Author: Nitin Pawar, 2013-09-30, 12:05
[expand - 1 more] - Re: Load Timestamp data type fom local file - Hive - [mail # user]
...Hi Claudio,  When you do a select * from table there is no mapreduce in place. What hive does is it uses the hdfs api and reads your files and displays the data by a tab separated colum...
   Author: Nitin Pawar, 2013-09-30, 11:09
Re: load data stored as sequencefiles - Hive - [mail # user]
...If you look at your load command,  LOAD DATA INPATH '/TEST/SeqFiles/201308300700/part-m-00001' INTO TABLE tblname; you are loading a part file which does not look correct.  Secondl...
   Author: Nitin Pawar, 2013-09-24, 16:00
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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