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 <[email protected]> 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 >
