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From Ravi Mutyala <rmuty...@gmail.com>
Subject Re: Installing on 300+ nodes with Ambari 1.7
Date Thu, 30 Jul 2015 22:55:44 GMT
Its mostly yum repo getting overloaded as you noticed. Retry should help
since yum does not try to reinstall the packages that it already installed.
Since repo is a webserver, you can setup a load-balanced webserver serving
yum packages but a retry would be much simpler.

On Thu, Jul 30, 2015 at 3:25 PM, William Slacum <wslacum@gmail.com> wrote:

> Hi All,
>
> I'm trying to install a hadoop distro via Ambari 1.7 on ~300 nodes. When
> it comes time to install all of the services, things get weird (for lack of
> a better term). I've noticed the UI will kind of give up, but if I pdsh out
> to the clusters, many are still running yum commands. I'm thinking this has
> to do with the yum repo I set up being on only node, and http kind of
> topping out. Are there any recommendations regarding setting up the yum
> repo based on the size of the cluster?
>
> I've also noticed issues with service installations being flagged as
> "warnings" (their status is orange), but there's no corresponding error in
> the output from the target host. There is stdout output, but it's something
> that seems fine such as "Writing file [...] because contents don't match",
> and then it ends there. Is there a good set of heuristics to figure out
> what caused the status of the install to be orange?
>
> Thanks,
> Bill
>

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