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Would you run puppet in init.d of the new node to sync
infrastructure?<br>
<br>
Then you could use rundeck to trigger the shared config on each
instance, for on demand syncing.<br>
<br>
<div class="moz-cite-prefix">On 16/09/15 13:23, Paul Thomas wrote:<br>
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Hi,<br>
<br>
I’m new to shared file systems and horizontal cloud scaling.<br>
<br>
I have already played with auto-scaling on aws/ec2. In term of
spawning a destroying and I can achieve that. <br>
<br>
I just want to some advice of how best implement syncing for web
files, infrastructure, data, etc.<br>
<br>
I have pretty much decided to put the database side of things on a
private instance. <br>
I'll worry about db clustering later I’m not to bothered about
this not, because the software supports it.<br>
<br>
It seems logical to put the web folder / application layer on a
shared file system, maybe some configuration too.<br>
<br>
What I'm really unsure about is how to ensure that the current
system is up to date and the configuration tweaked for the
physical specs.<br>
<br>
How do people typically approach this? I'm guessing it not always
viable to have a shared file system for everything.<br>
<br>
Is the approach a disciplined one? Where say I have development
instance for infrastructure changes. <br>
Then there is a deployment flow where production instances are
somehow refreshed without downtime. <br>
<br>
Or is there some other approach?<br>
<br>
I notice on sites like yahoo, things are often noticeably
unsynced, mostly on the data front, but also other things. <br>
This would be unacceptable in my case.<br>
<br>
I appreciate any help I can get regarding this. <br>
<br>
My typical load is from php-fpm/nginx processes, mysql bellow
this. <br>
<br>
Should the memory cache also be separated, or as I think it is
quite good for this to be divided up with the infrastructure to
support each public instance individually? <br>
<br>
Paul<br>
<br>
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<br>
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