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Posted to common-user@hadoop.apache.org by "James Graham (Greywolf)" <gr...@searchme.com> on 2008/08/06 19:37:20 UTC

Configuration: I need help.

Seeing as there is no search function on the archives, I'm relegated
to asking a possibly redundant question or four:

I have, as a sample setup:

idx1-tracker    JobTracker
idx2-namenode   NameNode
idx3-slave      DataTracker
...
idx20-slave	DataTracker

Q1:     Can I put the same hadoop-site.xml file on all machines or do I need
         to configure each machine separately?

Q2:     My current setup does not seem to find a primary namenode, but instead
         wants to put idx1 and idx2 as secondary namenodes; as a result, I am
         not getting anything usable on any of the web addresses (50030, 50050,
         50070, 50090).

Q3:     Possibly connected to Q1:  The current setup seems to go out and start
         on all machines (masters/slaves); when I say "bin/start-mapred.sh" on
         the JobTracker, I get the answer "jobtracker running...kill it first".

Q4:     Do I even *need* a secondary namenode?

IWBN if I did not have to maintain three separate configuration files
(jobtracker/namenode/datatracker).
-- 
James Graham (Greywolf)							      |
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greywolf@searchme.com							      |
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