== sanity test 51f: check many open files limit ========== 03:37:44 (1785224264)
MDT0 numfree=     531614, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1492 (time 1785224277.56 total 10.00 last 149.18)
 - open/keep 3172 (time 1785224287.56 total 20.00 last 167.94)
 - open/keep 5134 (time 1785224297.56 total 30.01 last 196.14)
 - open/keep 7056 (time 1785224307.57 total 40.01 last 192.12)
 - open/keep 9028 (time 1785224317.57 total 50.01 last 197.16)
 - open/keep 10000 (time 1785224322.97 total 55.41 last 180.08)
 - open/keep 11576 (time 1785224332.97 total 65.42 last 157.52)
 - open/keep 13341 (time 1785224342.98 total 75.42 last 176.45)
 - open/keep 15278 (time 1785224352.98 total 85.42 last 193.61)
 - open/keep 17311 (time 1785224362.98 total 95.43 last 203.28)
 - open/keep 19287 (time 1785224373.01 total 105.45 last 197.13)
 - open/keep 20000 (time 1785224376.82 total 109.27 last 186.83)
 - open/keep 21849 (time 1785224386.82 total 119.27 last 184.88)
total: 21979 open/keep in 120.01 seconds: 183.15 ops/second
 - closed 3612 (time 1785224397.57 total 10.00 last -1823.33)
 - closed 6919 (time 1785224407.57 total 20.00 last 330.61)
 - closed 10000 (time 1785224416.28 total 28.72 last 353.53)
 - closed 13736 (time 1785224426.28 total 38.72 last 373.53)
 - closed 17096 (time 1785224436.29 total 48.72 last 335.99)
 - closed 20000 (time 1785224444.78 total 57.22 last 341.82)
total: 21979 close in 63.44 seconds: 346.45 close/second
 - unlinked 0 (time 1785224453 ; total 0 ; last 0)
 - unlinked 10000 (time 1785224498 ; total 45 ; last 45)
 - unlinked 20000 (time 1785224545 ; total 92 ; last 47)
unlink(/mnt/lustre/d51f.sanity/f21979) error: No such file or directory
total: 21979 unlinks in 101 seconds: 217.613861 unlinks/second