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romio_cb_write
2007 Dec 13
1
MPI-Blast + Lustre
Anyone have any experience with MpiBlast and Lustre. We have
MpiBlast-1.4.0-pio and lustre-1.6.3 and we are seeing some pretty
poor performance with most of the mpiblast threads spending 20% to
50% of their time in disk wait. We have the genbank nt database
split into 24 fragments (one for each of our OSTs, 3 per OSS). The
individual fragments are not striped due to the