== sanity test 51f: check many open files limit ========== 21:38:33 (1778290713)
MDT0 numfree=     537670 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 3575 (time 1778290725.04 total 10.00 last 357.46)
 - open/keep 6126 (time 1778290735.04 total 20.00 last 255.08)
 - open/keep 8703 (time 1778290745.04 total 30.00 last 257.68)
 - open/keep 10000 (time 1778290750.11 total 35.08 last 255.67)
 - open/keep 13170 (time 1778290760.12 total 45.08 last 316.92)
 - open/keep 15730 (time 1778290770.12 total 55.08 last 255.93)
 - open/keep 19160 (time 1778290780.12 total 65.08 last 342.94)
 - open/keep 20000 (time 1778290782.89 total 67.86 last 303.02)
 - open/keep 23381 (time 1778290792.90 total 77.86 last 338.01)
 - open/keep 27356 (time 1778290802.90 total 87.86 last 397.42)
 - open/keep 30000 (time 1778290811.14 total 96.11 last 320.62)
 - open/keep 33571 (time 1778290821.15 total 106.11 last 357.03)
 - open/keep 36224 (time 1778290831.15 total 116.11 last 265.29)
total: 37077 open/keep in 120.00 seconds: 308.97 ops/second
 - closed 4446 (time 1778290845.04 total 10.00 last -3177.25)
 - closed 10000 (time 1778290853.21 total 18.17 last 680.18)
 - closed 17368 (time 1778290863.21 total 28.17 last 736.74)
 - closed 20000 (time 1778290867.54 total 32.50 last 607.16)
 - closed 25474 (time 1778290877.55 total 42.51 last 547.27)
 - closed 30000 (time 1778290886.84 total 51.80 last 486.97)
 - closed 34809 (time 1778290896.84 total 61.80 last 480.86)
total: 37077 close in 65.80 seconds: 563.48 close/second
 - unlinked 0 (time 1778290902 ; total 0 ; last 0)
 - unlinked 10000 (time 1778290930 ; total 28 ; last 28)
 - unlinked 20000 (time 1778290952 ; total 50 ; last 22)
 - unlinked 30000 (time 1778290974 ; total 72 ; last 22)
unlink(/mnt/lustre/d51f.sanity/f37077) error: No such file or directory
total: 37077 unlinks in 87 seconds: 426.172424 unlinks/second