Rack Topology

[#1]

I got a new environment and I just got access to ambari. Is there a way I can find out if Rack Topology has been implemented just by looking into ambari ?

The reason I am asking is, I get constant Load Average alerts from a particular box and I found that box has lesser CPU and Memory. Should not Resource manager sent lesser tasks to that particular node ?

thanks

Kumar

[#2 · Accepted solution]

Hi @Kumar Veerappan ,

Yeah you can know the rack topology structure of cluster using ambari.

You can actually refer to this blog which is more helpfull and explained in detail: https://community.hortonworks.com/articles/43164/rack-awareness-series-2.html

Please login and accept answer if you found this answer helpfull

[#3]

@Akhil S Naik

Thank you. Looks like my cluster is not Rack aware. ANy help on my second question is highly appreciated.

[#4]

Hi @Kumar Veerappan,

I am not sure about how to answer that without knowing your cluster specifications and artitecture. but willn't automatic failover's help you ?

If its ambari alerts that are annoying for you. you can investigate , edit the alerts accordingly (you can edit the Alerts on what percent of CPU the alert to trigger ) or even disable it if not required

hope this helps you.

Please accept answer if it did.