I am able to work properly when using 0.20.203.0, but facing problem
with 0.20.205.0..The namenode and datanode are not getting started.Is
there any change in the command syntax or in the configuration???
Regards,
Mohammad Tariq
Perhaps you need to carry out an upgrade of DFS before you start it
normally. Could you share what error you're seeing when you start your
namenode (from log files, on cli, etc.)?
On Sun, Nov 27, 2011 at 6:40 PM, Mohammad Tariq donta...@gmail.com wrote:
I am able to work properly when using
Hi guys,
Is Federated HDFS same as having a set of individual Hadoop Clusters, each
managing its own namespace and knowing nothing about the existence of other
clusters (but having separate set of data nodes instead of a common pool)?
Assuming we have something similar to ViewFS which provides a
Hi Guys,
How should the performance of HDFS be analyzed? Are there any tools
available? What should be the minimum size of the cluster to get a
reliable estimate of the performance? I am currently working on a three
machine cluster.
Hey Shesha,
In Fedatated HDFS, same DataNodes can work with multiple NameNode.
Where as in your setup, complete cluster itself is different.
I would suggest you to take a look at HDFS-2471, Suresh has explained very neet
and breifly here.
Regards,
Uma
Hi, all:
I am a graduate student, now working on HDFS fault injection course
project. I found FI framework a good tool to use, but I don't know how to
create my own tests after ant injectfaults and ant jar-fault-inject.
It seems that only default tests can be used after fault injection. I wish
Hi Harsh,
Here is the dtatnode log file -
2011-11-28 12:33:53,584 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/
STARTUP_MSG: Starting DataNode
STARTUP_MSG: host = ubuntu/127.0.1.1
STARTUP_MSG: args = []
