== sanity test 51f: check many open files limit ========== 06:17:14 (1779099434)
MDT0 numfree=     532825, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1356 (time 1779099449.84 total 10.01 last 135.49)
 - open/keep 2477 (time 1779099459.85 total 20.01 last 112.07)
 - open/keep 3511 (time 1779099469.85 total 30.01 last 103.38)
 - open/keep 4172 (time 1779099479.92 total 40.09 last 65.60)
 - open/keep 5196 (time 1779099489.93 total 50.09 last 102.37)
 - open/keep 6368 (time 1779099499.93 total 60.09 last 117.18)
 - open/keep 7568 (time 1779099509.93 total 70.09 last 120.00)
 - open/keep 8675 (time 1779099519.93 total 80.10 last 110.65)
 - open/keep 9744 (time 1779099529.95 total 90.12 last 106.70)
 - open/keep 10000 (time 1779099532.70 total 92.86 last 93.28)
 - open/keep 10692 (time 1779099542.70 total 102.87 last 69.17)
 - open/keep 11857 (time 1779099552.71 total 112.87 last 116.44)
total: 12768 open/keep in 120.00 seconds: 106.40 ops/second
 - closed 1870 (time 1779099569.85 total 10.00 last -998.25)
 - closed 3629 (time 1779099579.85 total 20.01 last 175.81)
 - closed 5451 (time 1779099589.86 total 30.02 last 182.02)
 - closed 7090 (time 1779099599.89 total 40.05 last 163.46)
 - closed 8575 (time 1779099609.89 total 50.05 last 148.47)
 - closed 10000 (time 1779099617.24 total 57.39 last 193.97)
 - closed 11653 (time 1779099627.24 total 67.40 last 165.27)
total: 12768 close in 74.17 seconds: 172.16 close/second
 - unlinked 0 (time 1779099640 ; total 0 ; last 0)
 - unlinked 10000 (time 1779099731 ; total 91 ; last 91)
unlink(/mnt/lustre/d51f.sanity/f12768) error: No such file or directory
total: 12768 unlinks in 121 seconds: 105.520660 unlinks/second