lustre 2.9 on nvm PCI-E SSD Intel P3600 1.2TB

Ldiskfs on Intel SSD DC P3600 vs 8xSSD RAID10 with MR9271-8i

thrhi=16 dir_count=16 file_count=200000 mds-survey
Fri Feb  3 01:50:05 CET 2017 /usr/bin/mds-survey from c1701.cls
mdt 1 file  200000 dir   16 thr   16 create 329017.18 [ 329017.18, 329017.18] lookup 3167915.35 [ 3167915.35, 3167915.35] md_getattr 968143.25 [ 968143.25, 968143.25] setxattr 370109.92 [ 370109.92, 370109.92] destroy 235829.03 [ 235829.03, 235829.03]
done!

thrhi=16 dir_count=16 file_count=200000 mds-survey
Sun Jun  8 15:20:30 CEST 2014 /usr/bin/mds-survey from newmds01
mdt 1 file  200000 dir   16 thr   16 create 144417.16 [ 144417.16, 144417.16] lookup 2538618.74 [ 2538618.74, 2538618.74] md_getattr 1210573.15 [ 1210573.15, 1210573.15] setxattr 54542.92 [ 54994.01, 56996.07] destroy 89073.61 [ 76997.69, 76997.69]
done!

Interesting almost 2x faster than 8 SSDs(RAID10) in create operation.  Actually create in RAID10 same as create on 4SSDs. So one can say 1-NVME is 2 times faster than 4xSSDs: nice!

The expensive setxattr is almost 7 times faster!!!