Tom Limoncelli <t...@whatexit.org> wrote: > >From your workstation open 10,000 SSH connections (as if you are > updating 10,000 machines). Chances are your machine doesn't have > enough RAM for that many /usr/bin/ssh processes.
Heh, been there, done that:
$ w
10:45 AM up 51 days, 22:19, 11 users, load averages: 976.23, 618.17, 1020.25
$ time ls
13.354s real 0.00s user 0.02s system
$
There were a number of interesting lessons learned:
http://www.slideshare.net/jschauma/headless-host-scanning
https://github.com/jschauma/scanmaster
(No, this is not at all what config management systems do, but hey. :-)
-Jan
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