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[expand - 1 more] - Re: hive to hbase mapping - Hive - [mail # user]
...How about you have two streams - one to hbase and one to Hive fro your data generation source ?  Moving data out of Hbase may not be trivial specially if the data sizes are large…. &nbs...
   Author: Sanjay Subramanian, 2013-06-18, 06:54
Re: Enhancing Query Join to speed up Query - Hive - [mail # user]
...Hi  I would actually do it like this…so that the set on the left of JOIN becomes smaller  SELECT a.item_id, a.create_dt FROM      ( SELECT        ...
   Author: Sanjay Subramanian, 2013-06-13, 06:54
[expand - 1 more] - Re: Renaming partition columnname only (locations remain unchanged) - Hive - [mail # user]
...Alter table rename partition column does not recognize the column name. It's ok I dropped the table and created a new one and executed ADD PARTITION. and provided LOCATION Sanjay  Sent ...
   Author: Sanjay Subramanian, 2013-06-13, 03:44
[expand - 1 more] - Re: Create table like with partitions - Hive - [mail # user]
...+1 Its one of the very very usable hands on book published in this technical domain. Same here I bought both versions :-)  From: Lefty Leverenz > Reply-To: "[EMAIL PROTECTED]" > D...
   Author: Sanjay Subramanian, 2013-06-12, 02:11
Re: Compression in Hive - Hive - [mail # user]
...1. We use LZO compression in our MR jobs that create LZO files (these are NOT sequence files)  that are the feeder files for Hive 2. Then we we use Hive data (LZO files) and run aggrega...
   Author: Sanjay Subramanian, 2013-06-11, 23:06
Running hadoop commands through Hive -e and -f option - this is not a question, just some answers :-) - Hive - [mail # user]
...Hi  As a part of my oozie flows I need to create "touchz" files to notify status of each stage. I could never get Oozie shell action to work so I wanted to see if I could use Hive to ru...
   Author: Sanjay Subramanian, 2013-06-07, 17:47
[expand - 2 more] - Re: .sql vs. .hql - Hive - [mail # user]
...Ok cool  On 5/31/13 2:00 PM, "Keith Wiley"  wrote:    CONFIDENTIALITY NOTICE ===================== This email message and any attachments are for the exclusive use of the...
   Author: Sanjay Subramanian, 2013-05-31, 21:02
Re: Update statment on Hive - Hive - [mail # user]
...Hi Hive reads and writes to HDFSŠand by definition HDFS is write once and immutable after that. So like an RDBMS there is no concept of an update rows. However if u want to delete some recor...
   Author: Sanjay Subramanian, 2013-05-31, 20:04
Re: how does hive find where is MR job tracker - Hive - [mail # user]
...In Cloudera Manager , there is a Safety Valve feature (its a multiline text widget) that u can use to input the XML properties that u would use for mapred-site.xml  Possibly since u cha...
   Author: Sanjay Subramanian, 2013-05-28, 17:08
Re: How to look at the metadata of the tables we have created. - Hive - [mail # user]
...I have an earlier version ER diagram of Hive….There are not too many tables and u can navigate to them and poke around easily  For example I created a hive locations alias for myself (a...
   Author: Sanjay Subramanian, 2013-05-24, 23:00
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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