== sanity test 51f: check many open files limit ========== 03:23:48 (1785396228)
MDT0 numfree=     535217, max=100000
changed ulimit from 1024 to 100020
 - open/keep 866 (time 1785396243.37 total 10.02 last 86.46)
 - open/keep 1609 (time 1785396253.38 total 20.02 last 74.25)
 - open/keep 2431 (time 1785396263.41 total 30.05 last 81.95)
 - open/keep 3023 (time 1785396273.42 total 40.07 last 59.12)
 - open/keep 3690 (time 1785396283.43 total 50.08 last 66.63)
 - open/keep 4526 (time 1785396293.43 total 60.08 last 83.57)
 - open/keep 5111 (time 1785396303.44 total 70.09 last 58.44)
 - open/keep 5712 (time 1785396313.49 total 80.13 last 59.85)
 - open/keep 6486 (time 1785396323.50 total 90.15 last 77.27)
 - open/keep 7131 (time 1785396333.51 total 100.16 last 64.46)
 - open/keep 7653 (time 1785396343.51 total 110.16 last 52.17)
total: 8516 open/keep in 120.00 seconds: 70.96 ops/second
 - closed 1403 (time 1785396363.37 total 10.01 last -624.37)
 - closed 2638 (time 1785396373.37 total 20.01 last 123.46)
 - closed 3985 (time 1785396383.37 total 30.01 last 134.69)
 - closed 5362 (time 1785396393.38 total 40.02 last 137.56)
 - closed 6585 (time 1785396403.38 total 50.03 last 122.27)
 - closed 7830 (time 1785396413.38 total 60.03 last 124.49)
total: 8516 close in 65.06 seconds: 130.90 close/second
 - unlinked 0 (time 1785396424 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f8516) error: No such file or directory
total: 8516 unlinks in 109 seconds: 78.128441 unlinks/second