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Re: HDFS file system size issue - Hive - [mail # user]
...Hi Saumitra,It looks like the over replicated blocks root cause is not the issue thatthe cluster is experiencing.   I can only think of miss configuring thedfs.data.dir parameter. Can y...
   Author: Abdelrahman Shettia, 2014-04-15, 18:58
Re: Compressed Data Column in Hive Table - Hive - [mail # user]
...Hi Kanna, It may not be the best option, but you can select the column and insert it into a staging temp table. Thanks,RahmanOn Apr 8, 2014, at 6:28 PM, Kanna Karanam  wrote:CONFID...
   Author: Abdelrahman Shettia, 2014-04-14, 21:31
Re: Permission denied creating external table - Hive - [mail # user]
...Hi Oliver,Try to set these properties in core-site.xml: Using * will allow everyoneto impersonate Hive and the cluster needs to be restarted.  hadoop.proxyuser.hive.groups &nb...
   Author: Abdelrahman Shettia, 2014-03-25, 15:21
Re: move hive tables from one cluster to another cluster - Hive - [mail # user]
...If you are using Mysql as a database, you need to take a mysql dump of themetastore database and search/replace the old namenode hostname with thenew namenode hostname. Once that is complete...
   Author: Abdelrahman Shettia, 2014-02-28, 21:41
Re: Reading hive table using Pig script - Hive - [mail # user]
...Hi Chhaya,Why not using HCatalog to store the PIG and Hive schema for easy sharing? Thanks,RahmanOn Feb 12, 2014, at 2:32 AM, Chhaya Vishwakarma  wrote:CONFIDENTIALITY NOTICENOTICE: Thi...
   Author: Abdelrahman Shettia, 2014-02-26, 17:57
Re: configuring Hive to automatically create _SUCCESS files - Hive - [mail # user]
...Hi Centerqi,The Enhanced FileOutputCommitter is to create a _SUCCESS file forsuccessful jobs that run on a table.I believe the following conf controls this:mapreduce.fileoutputcommitter.mark...
   Author: Abdelrahman Shettia, 2014-02-26, 17:29
Re: What is pfile in pom.xml - Hive - [mail # user]
...Hi Jie,   Seems that there is an error related to:  No FileSystem for scheme: pfile   Have you tried to replace the line?   pfile://   With:  /test  So tha...
   Author: Abdelrahman Shettia, 2013-11-11, 22:52
Re: Passing mapreduce configuration parameters to hive udf - Hive - [mail # user]
...Hi Jon,  Please refer to the following document:  https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select#LanguageManualSelect-REGEXColumnSpecification  Hope th...
   Author: Abdelrahman Shettia, 2013-08-13, 18:41
Re: ower of hive table - Hive - [mail # user]
...Hi All ,  The ownership of hive table is controlled by the ownership of its hdfs dir. The table dir on hdfs ownership can be changed by running the following command.  hadoop fs -c...
   Author: Abdelrahman Shettia, 2013-02-21, 17:59
Re: delay before query starts processing - Hive - [mail # user]
...Hi Marc,  You can try running the hive client with debug mode on and see what is trying to do on the JT level. hive -hiveconf hive.root.logger=ALL,console -e " DDL;" hive -hiveconf hive...
   Author: Abdelrahman Shettia, 2013-01-30, 23:23
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