Re: how to get cluster-ips

2010-03-06 Thread prasenjit mukherjee
Thanks Ravi, it helped. BTW, only the first trick worked : hadoop dfsadmin -report | grep "Name:" | cut -d":" -f2 2nd one may not be applicable as I need to automate this ( hence need a commandline utility ) 3rd approach didnt work, as the commands are getting ecxecuted only on the local slave-n

Re: how to get cluster-ips

2010-03-06 Thread Ravi Phulari
There are several ways to get slave ip address. ( Not sure if you can use all of these on Ec2 ) 1. hadoop dfsadmin -report shows you list of nodes and there status 2. Name node slaves page displays information about live nodes. 3. You can execute commands on slaves nodes using bin/slaves.s

Re: how to get cluster-ips

2010-03-06 Thread prasenjit mukherjee
I am using ec2 and dont see the slaves in $HADOOP_HOME/conf/slaves file. On Sat, Mar 6, 2010 at 9:33 PM, Ted Yu wrote: > check conf/slaves file on master: > http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Multi-Node_Cluster%29#conf.2Fslaves_.28master_only.29 > > On Fri, Mar 5,

Re: how to get cluster-ips

2010-03-06 Thread Ted Yu
check conf/slaves file on master: http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Multi-Node_Cluster%29#conf.2Fslaves_.28master_only.29 On Fri, Mar 5, 2010 at 7:13 PM, prasenjit mukherjee < pmukher...@quattrowireless.com> wrote: > Is there any way ( like hadoop-commandline or f