Open Stack

I wanted to send this to get other people's feedback if they have 
particular nova configurations once they hit a certain scale (hundreds 
or thousands of nodes). Every once in awhile in IRC I'll be chatting 
with someone about configuration changes they've made running at large 
scale to avoid, for example, hammering the control plane. I don't know 
how many times I've thought, "it would be nice if we had a doc 
highlighting some of these things so a new operator could come along and 
see, oh I've never tried changing that value before".

I haven't started that doc, but I've started a bug report for people to 
dump some of their settings. The most common ones could go into a simple 
admin doc to start.

I know there is more I've thought about in the past that I don't have in 
here but this is just a starting point so I don't make the mistake of 
not taking action on this again.

https://bugs.launchpad.net/nova/+bug/1838819

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Thanks,

Matt