hadoop-mapreduce-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Robert Grandl <rgra...@student.ethz.ch>
Subject Hadoop start scripts modification
Date Mon, 14 Feb 2011 09:34:35 GMT
Hi all,

I am trying to modify hadoop starting scripts such that each tasktracker 
from the conf/slaves to take his own configuration from a directory 

Can somebody point me out in which files I have to modify 
HADOOP_CONF_DIR variable such that the trackers to load their own 
configurations directories ?

I was trying to modify bin/hadoop-daemon.sh and replace HADOOP_CONF_DIR 
with the HADOOP_CONF_DIR_tracker.

However, if I am stopping a tracker and trying to start it again from 
the job tracker with a command like this:
ssh rgrandl@tracker_host 
--config conf_tracker_host start tasktracker'

I got an error like: Error: JAVA_HOME is not set.

I don't know why I get this as JAVA_HOME points to the right location to 
all conf/hadoop-env.sh files.

Can somebody help me out with some clues on the right way to solve my 
problem ?


View raw message