Re: Mac OS-X apache hadoop installation issues

2012-03-22 Thread Jabir Ahmed
Is the jar in your class path On Mar 19, 2012 4:53 PM, "elaheh mehraban" wrote: > hadoop-1.0.1/bin/hadoop jar hadoop-1.0.1-examples.jar grep input output > 'dfs[a-z.]+' > > i run this command > > hdoop-1.0.1/bin/hadoop jar hadoop-1.0.1-examples.jar grep input output > 'dfs[a-z.]+' > > > i have go

Re: How to make a ganglia metric in the new api?

2012-03-10 Thread Jabir Ahmed
Read on gmetric and rrdtool it should give you some clarity. You should also check graphs.php to understand how it's implemented in ganglia

Re: Install an environment for hadoop development

2012-02-20 Thread Jabir Ahmed
have you set the classpaths correctly? what kind of errors do you see? On Mon, Feb 20, 2012 at 8:06 AM, Ahmed Elgohary wrote: > Hi, > > I am trying to install an environment to start trying out some > modifications to hadoop. All what I need is to have an eclipse project than > I can modify, bui

Re: getting hadoop job resource usage statistics

2012-01-25 Thread Jabir Ahmed
http://$jobtrackerhost:50030/metrics http://$namenode:50070/metrics should give you enough metrics? also you could use ganglia to collect them jabir On Tue, Jan 24, 2012 at 10:17 PM, Arun C Murthy wrote: > You can currently get CPU & memory stats for each task and aggregated > stats per job via

reading active tasktracker metrics

2011-12-29 Thread Jabir Ahmed
I am trying to collect various metrics for active tasttrackers but it throws an exception Not sure why? for(String s: jc.getClusterStatus(true).getActiveTrackerNames()){ System.out.println("tt "+s); System.out.println(""+ new org.apache.hadoop.mapreduce.serve