Thank you for the info. Yes, I have created with backup with another directory and I was about to boot restart the namenode from that image. ... View more

The hive metastore, I can replicate using regular sql dump. ... View more

Thanks a lot. ... View more

Thanks a lot for giving great explanation. Just a last question, delegation token is given by NN, from NN what package or what tool provides the delegation token. Is it part of namenode package? ... View more

Thank you very much, we are using centos we should be able to install using yum? ... View more

I'm just curious. Why do hive jobs need the home directory to run the job? ... View more

Hi Geoffery, Does all the journal node manages their own edit log in their local disk ? ... View more

Thank you for your answer. When we do upgrade, does it only touch the binaries of Yarn, MR and HDFS or does it touch other components as well? ... View more

That was typo on cut and paste, but it is there in right format as you mentioned. How do it start ambari server? How do we force it to hostname instead of localhost ? ... View more

cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 52.72.242.100 mokkan1.myserver.com 54.15.189.202 mokkan2.myserver.com [root@mokkan1 ~]# hostname -f mokkan1.myserver.com [root@mokkan1 ~]# python -c 'import socket;print socket.getfqdn()' mokkan1.myserver.com [root@mokkan1 ~]# netstat -tnlpa | grep -i AmbariServer ... View more

Here is ambari server output. mokkan1.myserver.com [root@mokkan1 sysconfig]# hostname mokkan1.myserver.com [root@mokkan1 sysconfig]# netstat -tnlpa | grep 8440 tcp6 0 0 :::8440 :::* LISTEN 2308/java [root@mokkan1 sysconfig]# netstat -tnlpa | grep 8441 tcp6 0 0 :::8441 :::* LISTEN 2308/java [root@mokkan1 sysconfig]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 52.75.242.100 mokkan1.myserver.com 54.15.189.202 mokkan2.myserver.com [root@mokkan1 sysconfig]# telnet localhost 8440 Trying ::1... Connected to localhost. Escape character is '^]'. ^CConnection closed by foreign host. [root@mokkan1 sysconfig]# telnet mokkan1.myserver.com 8440 Trying 52.70.242.100 ... View more

The problem is I can do telent to localhost 8440, but when I try with telent ambari-servername 8440, it is not connecting. When the service starts, it is binding with localhost rather than host name. How do I force it to bind with hostname rather than localhost? ... View more

Thank you for your reply. The problem is this I can't telnet to ambari server from agent, but ambari server is up and running. From ambari server, I can do telnet localhost 8440, it works, but I can't do telnet ambariserver 8440, some how when it starts, it is binding with localhost, not with server name. ... View more