== sanity test 51f: check many open files limit ========== 00:08:22 (1787890102)
MDT0 numfree=532391, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1020 (time 1787890117.44 total 10.00 last 101.99)
 - open/keep 2089 (time 1787890127.44 total 20.00 last 106.89)
 - open/keep 3000 (time 1787890137.45 total 30.01 last 91.04)
 - open/keep 3951 (time 1787890147.45 total 40.01 last 95.06)
 - open/keep 4742 (time 1787890157.46 total 50.01 last 79.09)
 - open/keep 5621 (time 1787890167.47 total 60.03 last 87.74)
 - open/keep 6537 (time 1787890177.47 total 70.03 last 91.59)
 - open/keep 7412 (time 1787890187.49 total 80.05 last 87.36)
 - open/keep 8269 (time 1787890197.49 total 90.05 last 85.68)
 - open/keep 9334 (time 1787890207.49 total 100.05 last 106.50)
 - open/keep 10000 (time 1787890213.09 total 105.65 last 118.88)
 - open/keep 11025 (time 1787890223.10 total 115.66 last 102.47)
total: 11491 open/keep in 120.01 seconds: 95.75 ops/second
 - closed 1640 (time 1787890237.45 total 10.00 last -938.44)
 - closed 3536 (time 1787890247.45 total 20.00 last 189.59)
 - closed 5448 (time 1787890257.45 total 30.00 last 191.14)
 - closed 6985 (time 1787890267.46 total 40.01 last 153.61)
 - closed 8964 (time 1787890277.48 total 50.03 last 197.51)
 - closed 10000 (time 1787890284.03 total 56.58 last 158.22)
total: 11491 close in 65.85 seconds: 174.50 close/second
 - unlinked 0 (time 1787890298 ; total 0 ; last 0)
 - unlinked 10000 (time 1787890387 ; total 89 ; last 89)
unlink(/mnt/lustre/d51f.sanity/f11491) error: No such file or directory
total: 11491 unlinks in 101 seconds: 113.772278 unlinks/second