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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
[expand - 1 more] - Re: hive.log - Hive - [mail # user]
...Ok figured it out  -  vi  /etc/hive/conf/hive-log4j.properties  - Modify this line #hive.log.dir=/tmp/${user.name} hive.log.dir=/data01/workspace/hive/log/${user.name} &n...
   Author: Sanjay Subramanian, 2013-05-23, 23:32
[expand - 1 more] - Re: Hive tmp logs - Hive - [mail # user]
...Clarification This property defines a file on HDFS    hive.exec.scratchdir    /data01/workspace/hive scratch/dir/on/local/linux/disk      From: Sanjay Subr...
   Author: Sanjay Subramanian, 2013-05-23, 21:55
[expand - 1 more] - Re: io.compression.codecs not found - Hive - [mail # user]
... io.compression.codecs org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec,org.apache.hadoop.io.compress.SnappyCo...
   Author: Sanjay Subramanian, 2013-05-23, 16:51
[expand - 1 more] - Re: Snappy with HIve - Hive - [mail # user]
...Thanks Bejoy…I tracked down the issue..there was an earlier table (with leo definition) that I had not dropped and recreated - hence giving input snappy to that was giving issues Regards san...
   Author: Sanjay Subramanian, 2013-05-23, 16:49
Re: Hive skipping first line - Hive - [mail # user]
...Can u try doing a Hive -e "select * from tablename" See how many rows this gets u Thanks  sanjay  From: Tim Bittersohl > Reply-To: "[EMAIL PROTECTED]" > Date: Wednesday, May ...
   Author: Sanjay Subramanian, 2013-05-22, 17:16
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