Date: Wed, 27 Jan 2016 11:25:18 -0500 From: japhar81 <japhar81@...il.com> To: john-users@...ts.openwall.com Subject: MPI with Spot Instances? Hello all, I've been playing around with MPI clustering JtR for a while, and I've managed to get it running smoothly on static nodes. What I'd like to do next is create an auto-scaling group in AWS, using spot instances. What this basically means is nodes will come and go, with their hostnames/IPs changing at random.. I can not figure out how I would run JtR in that instance -- since it requires a node list in a file on startup to mpirun. If it matters, I'm looking to do a brute-force using the ASCII mode. Has anyone found a way to do a dynamic cluster that adds/removes nodes at random? Is this even possible? Thanks in advance for any pointers!
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