== sanity test 51f: check many open files limit ========== 00:52:33 (1739512353)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d51f.sanity
MDT1 numfree=1021976, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2693 (time 1739512365.78 total 10.00 last 269.18)
 - open/keep 5290 (time 1739512375.78 total 20.01 last 259.63)
 - open/keep 7870 (time 1739512385.79 total 30.02 last 257.79)
 - open/keep 10000 (time 1739512393.26 total 37.49 last 285.15)
 - open/keep 12658 (time 1739512403.26 total 47.49 last 265.77)
 - open/keep 15404 (time 1739512413.26 total 57.49 last 274.54)
 - open/keep 18146 (time 1739512423.26 total 67.49 last 274.11)
 - open/keep 20000 (time 1739512430.78 total 75.01 last 246.74)
 - open/keep 22493 (time 1739512440.78 total 85.01 last 249.29)
 - open/keep 25430 (time 1739512450.78 total 95.01 last 293.70)
 - open/keep 28301 (time 1739512460.78 total 105.01 last 287.07)
 - open/keep 30000 (time 1739512466.12 total 110.35 last 318.06)
total: 33098 open/keep in 120.00 seconds: 275.81 ops/second
 - closed 4768 (time 1739512485.77 total 10.00 last -2523.09)
 - closed 9720 (time 1739512495.77 total 20.00 last 495.17)
 - closed 10000 (time 1739512496.41 total 20.63 last 443.63)
 - closed 14690 (time 1739512506.41 total 30.63 last 468.99)
 - closed 19541 (time 1739512516.41 total 40.64 last 484.90)
 - closed 20000 (time 1739512517.36 total 41.59 last 481.00)
 - closed 26196 (time 1739512527.36 total 51.59 last 619.59)
 - closed 30000 (time 1739512533.44 total 57.67 last 625.63)
total: 33098 close in 64.28 seconds: 514.92 close/second
 - unlinked 0 (time 1739512541 ; total 0 ; last 0)
 - unlinked 10000 (time 1739512570 ; total 29 ; last 29)
 - unlinked 20000 (time 1739512597 ; total 56 ; last 27)
 - unlinked 30000 (time 1739512626 ; total 85 ; last 29)
unlink(/mnt/lustre/d51f.sanity/f33098) error: No such file or directory
total: 33098 unlinks in 95 seconds: 348.399994 unlinks/second