[Ganglia-developers] some suggestion about dockerfile of ganglia

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Hi, Vladimir and all:

I found that ganglia had already a docker dir:  
https://github.com/ganglia/ganglia_contrib/tree/master/docker. The  
dockerfiles are good enough for people to deploy, but I still have  
some suggestion on the dockerfiles:
My suggestion is to use "compiling from upstream code" instead of  
"apt-get install". The reason is:
1) In most cases, distros will not use the lastest stable version of  
ganglia (such as 3.6 in Ubuntu14.10), so people can not try the new  
features in their container.
2) Nowadays people will also want to try upstream version in container
3) Ganglia itself is a monitor system, so monitoring container should  
also be an important feature set, we need to dockerize the upstream  
ganglia to test our features which will be developed for monitoring  
container later on.

Please comment me,
Thanks,
-jack