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Long-running HPC applications guard against node failures by writing checkpoints to parallel file systems. Writing these checkpoints with petascale class machines has proven difficult and the increased concurrency demands of exascale computing will exacerbate this problem. To meet checkpointing demands and sustain application-perceived throughput at exascale, multi-tiered hierarchical storage architectures involving solid-state burst buffers are being considered. In this paper, we describe thedoi:10.1109/hipc.2012.6507514 dblp:conf/hipc/KulkarniMILL12 fatcat:iowg66kb55f2zpjnzx5afep3fq