[Beowulf] Checkpointing using flash

Hearns, John john.hearns at mclaren.com
Fri Sep 21 07:49:32 PDT 2012


http://www.theregister.co.uk/2012/09/21/emc_abba/

Frequent checkpointing will of course be vital for exascale, given the MTBF of individual nodes.

However how accurate is this statement:

HPC jobs involving half a million compute cores ... have a series of checkpoints set up in their code with the entire memory state stored at each checkpoint in a storage node.



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