RDBMS. For example, a sample
> task that already runs on the system is "once in every hour, get rows from
> column family X, aggregate data in columns A, B and C and write back to
> column family Y, and enter details of last aggregated row into a table in
> mysql"
>
> Tha
Hi Jon since a partition appears as a column ( for example with *desc
table_name* ) you could try renaming the partition as if it was a column as
explained in the wiki :
ALTER TABLE table_name CHANGE [COLUMN] col_old_name col_new_name
column_type [COMMENT col_comment] [FIRST|AFTER column_name]
I
Hi, I had similar problems when I was setting up my hadoop cluster. The
Datanodes where trying to access localhost instead of my namenode.
To fix this issue I modified my /etc/hosts file on all my nodes (namenode +
datanodes) in such a way that the first line corresponds to the binding hostname>.
Hi, I configured an Hadoop cloud with Hadoop 0.20.2-cdh3u0.
I extracted some tables from an Oracle DB with sqoop + OraOOp plugin an
distributed the data on my nodes. I am using Hive (hive-0.7.0-cdh3u0 )
to perform some analysis on my data.
However I am encountering an issue that I can't figure out
