== sanity test 51f: check many open files limit ========== 23:31:33 (1775878293)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021982 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2031 (time 1775878305.85 total 10.00 last 203.05)
 - open/keep 4202 (time 1775878315.85 total 20.01 last 217.04)
 - open/keep 6243 (time 1775878325.86 total 30.01 last 204.01)
 - open/keep 8242 (time 1775878335.86 total 40.01 last 199.87)
 - open/keep 10000 (time 1775878343.70 total 47.85 last 224.34)
 - open/keep 12422 (time 1775878353.70 total 57.85 last 242.19)
 - open/keep 14578 (time 1775878363.70 total 67.85 last 215.54)
 - open/keep 16632 (time 1775878373.70 total 77.85 last 205.37)
 - open/keep 18683 (time 1775878383.71 total 87.86 last 205.01)
 - open/keep 20000 (time 1775878390.60 total 94.75 last 191.02)
 - open/keep 21795 (time 1775878400.60 total 104.75 last 179.46)
 - open/keep 23544 (time 1775878410.61 total 114.76 last 174.79)
total: 24596 open/keep in 120.01 seconds: 204.95 ops/second
 - closed 3356 (time 1775878425.87 total 10.01 last -2017.12)
 - closed 6304 (time 1775878435.87 total 20.01 last 294.65)
 - closed 9190 (time 1775878445.87 total 30.01 last 288.55)
 - closed 10000 (time 1775878448.65 total 32.79 last 292.22)
 - closed 13424 (time 1775878458.65 total 42.79 last 342.36)
 - closed 16616 (time 1775878468.65 total 52.79 last 319.07)
 - closed 20000 (time 1775878477.91 total 62.05 last 365.37)
 - closed 23559 (time 1775878487.91 total 72.05 last 355.88)
total: 24596 close in 74.45 seconds: 330.38 close/second
 - unlinked 0 (time 1775878492 ; total 0 ; last 0)
 - unlinked 10000 (time 1775878531 ; total 39 ; last 39)
 - unlinked 20000 (time 1775878569 ; total 77 ; last 38)
unlink(/mnt/lustre/d51f.sanity/f24596) error: No such file or directory
total: 24596 unlinks in 93 seconds: 264.473114 unlinks/second