== sanity test 51f: check many open files limit ========== 15:40:08 (1787859608)
MDT0 numfree=     538581, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1003 (time 1787859624.15 total 10.01 last 100.22)
 - open/keep 1862 (time 1787859634.16 total 20.02 last 85.83)
 - open/keep 2886 (time 1787859644.17 total 30.03 last 102.30)
 - open/keep 3901 (time 1787859654.18 total 40.03 last 101.43)
 - open/keep 4780 (time 1787859664.18 total 50.04 last 87.84)
 - open/keep 5519 (time 1787859674.21 total 60.07 last 73.68)
 - open/keep 6354 (time 1787859684.23 total 70.08 last 83.39)
 - open/keep 7182 (time 1787859694.25 total 80.11 last 82.57)
 - open/keep 8037 (time 1787859704.26 total 90.12 last 85.47)
 - open/keep 8874 (time 1787859714.26 total 100.12 last 83.68)
 - open/keep 9798 (time 1787859724.26 total 110.12 last 92.39)
total: 10770 open/keep in 120.01 seconds: 89.74 ops/second
 - closed 1606 (time 1787859744.16 total 10.01 last -818.72)
 - closed 3336 (time 1787859754.17 total 20.01 last 172.85)
 - closed 5081 (time 1787859764.17 total 30.02 last 174.44)
 - closed 6711 (time 1787859774.17 total 40.02 last 162.97)
 - closed 8118 (time 1787859784.18 total 50.02 last 140.63)
 - closed 9495 (time 1787859794.18 total 60.03 last 137.65)
 - closed 10000 (time 1787859797.31 total 63.16 last 161.42)
total: 10770 close in 69.17 seconds: 155.70 close/second
 - unlinked 0 (time 1787859808 ; total 0 ; last 0)
 - unlinked 10000 (time 1787859915 ; total 107 ; last 107)
unlink(/mnt/lustre/d51f.sanity/f10770) error: No such file or directory
total: 10770 unlinks in 115 seconds: 93.652176 unlinks/second