On Tue, Jan 10, 2012 at 4:32 AM, David Pavlis david.pav...@javlin.eu wrote:
Hi Todd,
Understand, I will re-think the MR approach. Nonetheless I like the idea
with getting the block id and accessing the locally stored file directly
You really don't want to do this - what happens when the
When I run this command, I get an error message. This problem started first
when I first accessed HDFS programatically. I am on a single node cluster
in ubuntu.
hadoop dfs -copyFromLocal /home/apurv/bigdataLocal/macbeth.txt
/home/apurv/bigdataRemote/
12/01/11 08:07:49 WARN hdfs.DFSClient:
Looks namenode is not giving the nodes. Can you please check Datanode is
running properly?
From: Apurv Verma [dapu...@gmail.com]
Sent: Wednesday, January 11, 2012 8:15 AM
To: hdfs-user@hadoop.apache.org
Subject: HDFS Problems After Programmatic Access
When I
Apurv,
Take a look at the FAQ:
http://wiki.apache.org/hadoop/FAQ#What_does_.22file_could_only_be_replicated_to_0_nodes.2C_instead_of_1.22_mean.3F
On 11-Jan-2012, at 8:15 AM, Apurv Verma wrote:
When I run this command, I get an error message. This problem started first
when I first accessed
Hi,
I am trying to setup a HDFS federation and getting the below error. Also,
pasted the core-site.xml and hdfs-site.xml at the bottom of the mail. Did I
miss something in the configuration files?
2012-01-11 12:12:15,759 ERROR namenode.NameNode (NameNode.java:main(803)) -
Exception in namenode
Hi folks,
I was wondering if it's possible to develop a custom front end which
allows monitoring/management of jobs/tasks and hdfs. From what i can
see from the built in webapp, all JSPs retrieve the relevant
NameNode/TaskTracker objects from the application instance; which is
set during
Hello
Yes this is quite trivial and for example ibm did that in their big insights
flavor of hadoop
The hadoop alrzady has quite a lot of instrumentation regarding monitoring and
you can extend the embedded jetty to add more features.
Ideally this webapp should nit be bundled within the nodes
Hi Franck,
Thanks for the info. However, I'm looking at decoupling this app from the
embedded Jetty in Hadoop. Ideally, it should be deployed in a separate
server as the NameNode. Is this possible?
On Wed, Jan 11, 2012 at 3:23 PM, Franck Besnard besn0...@yahoo.com wrote:
Hello
Yes this