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From: | Erik Bryer |
Subject: | why so many ssh processes per node? |
Date: | Fri, 23 May 2014 09:12:03 -0600 |
User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Hello,When running a job on 16 nodes (2 cores/node), 25 (that I could see) simultaneous ssh connections were made to one of the nodes, triggering warnings by parallel that the nodes only allow for x simultaneous logins, where x is about 20. (From what I've seen it makes this many connections to all nodes.) Is it necessary to make so many connections per node? Or should I just tweak my MaxStartups in /etc/ssh/sshd_config?
Thanks, Erik
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