Sometime ago we had to change the hostname of few hadoop machines, so we
did changes in ambari DB and some configuration files.
In your case, I think hostnames are same but ip address is changing -
which should be similar to what we did.
Here's the list of table/columns we updated -
TABLE NAME
COLUMN NAME
blueprint_configuration
config_data
clusterconfig
config_data
clusterhostmapping
host_name
configgrouphostmapping
host_name
hostcomponentdesiredstate
host_name
hostcomponentstate
host_name
host_role_command
event
host_name
hosts
host_name
public_host_name
hoststate
host_name
metainfo
metainfo_value
viewinstanceproperty
value
Regards,
Saurabh
On 12/05/2014 11:05 AM, Sumeet Nikam wrote:
Hi,
I am using AWS setup to run experiments on HDP using Ambari, since my
experiments are of short run , to save money I tend to stop cluster
and start again whenever required.
If I am lucky I get same ip's allocated which is kind of rare. So most
of the time I have to terminate cluster, recreate and reconfigure.
I believe that if I can only change the host ip's, and restart
services, everything should work. Please let me know If I am wrong.
I tried searching the ip configuration in ambari, but no success few
blogs suggested that the configuration lies in postgress sql, but
could not get details of what table etc.
Can anyone point me where can I get that ?
Thanks
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