Re: public IP for datanode on EC2

2009-05-15 Thread Steve Loughran
Tom White wrote: Hi Joydeep, The problem you are hitting may be because port 50001 isn't open, whereas from within the cluster any node may talk to any other node (because the security groups are set up to do this). However I'm not sure this is a good approach. Configuring Hadoop to use public

Re: public IP for datanode on EC2

2009-05-14 Thread Raghu Angadi
Philip Zeyliger wrote: You could use ssh to set up a SOCKS proxy between your machine and ec2, and setup org.apache.hadoop.net.SocksSocketFactory to be the socket factory. http://www.cloudera.com/blog/2008/12/03/securing-a-hadoop-cluster-through-a-gateway/ has more information. very useful wri

RE: public IP for datanode on EC2

2009-05-14 Thread Joydeep Sen Sarma
to follow up on the issues uncovered here. -Original Message- From: Tom White [mailto:t...@cloudera.com] Sent: Thursday, May 14, 2009 7:07 AM To: core-user@hadoop.apache.org Subject: Re: public IP for datanode on EC2 Yes, you're absolutely right. Tom On Thu, May 14, 2009 at 2:19

Re: public IP for datanode on EC2

2009-05-14 Thread Tom White
-Original Message- > From: Tom White [mailto:t...@cloudera.com] > Sent: Thursday, May 14, 2009 5:58 AM > To: core-user@hadoop.apache.org > Subject: Re: public IP for datanode on EC2 > > Hi Joydeep, > > The problem you are hitting may be because port 50001 is

RE: public IP for datanode on EC2

2009-05-14 Thread Joydeep Sen Sarma
ions from nodes within the ec2 cluster work > just fine. I looked at the job.xml files of jobs submitted locally and > remotely and don't see any relevant differences. > > Totally foxed now. > > Joydeep > > -Original Message----- > From: Joydeep Sen Sarma [mailto:j

Re: public IP for datanode on EC2

2009-05-14 Thread Tom White
rk > just fine. I looked at the job.xml files of jobs submitted locally and > remotely and don't see any relevant differences. > > Totally foxed now. > > Joydeep > > -Original Message- > From: Joydeep Sen Sarma [mailto:jssa...@facebook.com] > Sent: Wednesd

RE: public IP for datanode on EC2

2009-05-14 Thread Joydeep Sen Sarma
d now. Joydeep -Original Message- From: Joydeep Sen Sarma [mailto:jssa...@facebook.com] Sent: Wednesday, May 13, 2009 9:38 PM To: core-user@hadoop.apache.org Cc: Tom White Subject: RE: public IP for datanode on EC2 Thanks Philip. Very helpful (and great blog post)! This seems to make basi

RE: public IP for datanode on EC2

2009-05-13 Thread Joydeep Sen Sarma
M To: core-user@hadoop.apache.org Subject: Re: public IP for datanode on EC2 On Tue, May 12, 2009 at 9:11 PM, Joydeep Sen Sarma wrote: > (raking up real old thread) > > After struggling with this issue for sometime now - it seems that accessing > hdfs on ec2 from outside ec2 is not possible. >

Re: public IP for datanode on EC2

2009-05-13 Thread Philip Zeyliger
On Tue, May 12, 2009 at 9:11 PM, Joydeep Sen Sarma wrote: > (raking up real old thread) > > After struggling with this issue for sometime now - it seems that accessing > hdfs on ec2 from outside ec2 is not possible. > > This is primarily because of > https://issues.apache.org/jira/browse/HADOOP-

RE: public IP for datanode on EC2

2009-05-12 Thread Joydeep Sen Sarma
e.org Subject: Re: public IP for datanode on EC2 > I think most people try to avoid allowing remote access for security > reasons. If you can add a file, I can mount your filesystem too, maybe > even delete things. Whereas with EC2-only filesystems, your files are > *only* exposed to e

Re: public IP for datanode on EC2

2008-09-09 Thread Julien Nioche
> I think most people try to avoid allowing remote access for security > reasons. If you can add a file, I can mount your filesystem too, maybe even > delete things. Whereas with EC2-only filesystems, your files are *only* > exposed to everyone else that knows or can scan for your IPAddr and ports.

Re: public IP for datanode on EC2

2008-09-08 Thread Steve Loughran
Julien Nioche wrote: I have tried using *slave.host.name* and give it the public address of my data node. I can now see the node listed with its public address on the dfshealth.jsp, however when I try to send a file to the HDFS from my external server I still get : *08/09/08 15:58:41 INFO dfs.DF

Re: public IP for datanode on EC2

2008-09-08 Thread Julien Nioche
I have tried using *slave.host.name* and give it the public address of my data node. I can now see the node listed with its public address on the dfshealth.jsp, however when I try to send a file to the HDFS from my external server I still get : *08/09/08 15:58:41 INFO dfs.DFSClient: Waiting to fin