Great it helped me too.  ... View more

@csguna   2.6.32-573.22.1.el6.x86_64 Redhat 6.7 ... View more

After several searches i think the problem is not blocking because all services are working.  But, do you thnik that name resolution can be the cause of this problem? ... View more

That is correct. ... View more

Yes, install web browser on the same maching and try accessing it from the browser. Do this in the first time, instead trying from your host (if you are using VirtualBox or other virtualization tools).   You can ignore the "unable to retrieve non-local non-loopback ip address" error. ... View more

What user are you runinig the spark ?    is this path that you are referring is in  hdfs or local    /home/cloudera/partfile     perform this and let me know if the files are getting listed    hadoop fs -ls /home/cloudera/     ... View more

Interesting story. The decomm process would not complete until all blocks have at least 1 good replica on other DNs. (good replica = replicas that are not stale and on a DataNode that is not being decommissioned or already decommissioned)   DirectoryScanner in a DataNode scans the entire directory, reconciling inconsistency between in-memory block map and on-disk replica, so it would eventually pick up the added replica, just a matter of time. ... View more

Although I havent tried , trying putting 777 on the chmod to that directory and run it as root.    chmod -R 777 /etc/init.d/ it is very very bad practice though. ... View more

if you read my previous reply , thats exactly I told that your fs.default should be same across all the nodes more over same version of core-site.xml . to be more precies    This is used to specify the default file system it needs be set to a HDFS address. this is need for  client configuration as well so your local configuration file should include this element.   hdfs://192.168.1.200:9000/. Here 9000 denotes port on which datanode will send heartbeat to namenode   ... View more