, say you have a web-form where users can search for other
users by last name, name:last being one of your columns. This is an
especially bad case for using mapreduce to scan the full table.
-- Jim
On Thu, May 29, 2008 at 1:06 PM, shimon golan [EMAIL PROTECTED] wrote:
You said If they need
Thanx Bryan for the quick response !
My table is very sparse and contains 100 column families , each containing
about 20 items. Also, I need to search the table by each of the columns so
the solution you suggested seems somewhat complicated for this purpose.
So my ensuing questions are :
1. Do
Thanks ,
I did that but it didn't work ( I got the same message )
my updated /etc/hosts file is
127.0.0.1 localhost mem
192.168.5.236 localhost mem
I've also tried this :
192.168.5.236 localhost mem
127.0.0.1 localhost mem
which gave the message
I've followed carefully the instructions on
http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Single-Node_Cluster%29,
but the task fails with the following stack trace :
08/05/13 19:16:26 INFO mapred.JobClient: map 100% reduce 0%
08/05/13 19:18:55 INFO mapred.JobClient: Task Id