I assume you have seen the following information on Hadoop twiki,
http://wiki.apache.org/hadoop/GangliaMetrics
So do you use GangliaContext31 in hadoop-metrics2.properties?
We use Ganglia 3.2 with Hadoop 20.205 and works fine (I remember seeing
gmetad sometime goes down due to buffer overflow pr
Sorry few more things,
-- localhost did not work for me.. I had to use my machine name returned by
"hostname" e.g. horton-mac.local
-- Also change the localhost to your machine name in conf/slaves and
conf/masters file.
--Suhas
On Mon, Oct 3, 2011 at 5:44 PM, Vitthal "Suha
Steps worked in the following document worked for me, except
-- JAVA_HOME need to be set correctly in the conf/hadoop-env.sh
-- By default on Mac OS X, sshd is not running, so need to start it using
"System Preferences/Sharing" and add users who are allowed to do ssh.
http://www.stanford.edu/cla
I am not sure there is a easy way to get what you want on command line.. one
option is to use following command which would give you verbose job history
where you can find submit, Launch & Finish time (including duration on
FinishTime line). I am using hadoop-0.20.205.0 branch. So check if you
ha
Agree with Bejoy, although to minimize the processing latency you can still
choose to write more frequently to HDFS resulting into more number of
smaller size files on HDFS rather than waiting to accumulate large size data
before writing to HDFS. As you may have more number of smaller files, it
ma
Slaves file is used only by control scripts like {start/stop}-dfs.sh,
{start/stop}-mapred.sh to start the data nodes and task trackers on
specified set of slave machines.. they can not be used effectively to change
the size of the cluster for each M/R job (unless you want to restart the
task track
