Re: parallel ssh support?

From: Ryan G <no email>
Date: Thu, 16 Apr 2015 10:52:47 -0400

I've discovered AWS allows you to upload user data aka a script that is run
when an instance us brought up. Perhaps this is the way to configure in
parallel. I'll look into this more if someone hasn't already.

On Mon, Apr 13, 2015 at 2:53 PM, MacMullan, Hugh <hughmac_at_wharton.upenn.edu>
wrote:

> I concur. Threading for this? It's pretty non-intensive, just
> time-consuming. And adding/removing nodes can be pretty painful, as well,
> as it monkeys (serially) with /etc/hosts, keys, etc.
>
>
>
> -Hugh
>
>
>
> *From:* starcluster-bounces_at_mit.edu [mailto:starcluster-bounces_at_mit.edu] *On
> Behalf Of *Ryan G
> *Sent:* Monday, April 13, 2015 2:43 PM
> *To:* starcluster_at_mit.edu
> *Subject:* [StarCluster] parallel ssh support?
>
>
>
> Hi all - Whenever I launch a cluster with a large # of nodes, I have to
> wait quite a bit of time because each node has to be configured
> separately. The commands in my custom plugin are the same regardless of
> machine. I was wondering if there was any support in StarCluster to use
> parallel-ssh to run the plugin on all the nodes at once? This could save a
> lot of start-up time....
>
> Ryan
>
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Received on Thu Apr 16 2015 - 10:52:51 EDT