== sanity test 51f: check many open files limit ========== 18:17:49 (1780525069)
striped dir -i1 -c1 -H crush2  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=    1023571, max=100000
changed ulimit from 1024 to 100100
 - open/keep 2597 (time 1780525081.41 total 10.00 last 259.69)
 - open/keep 5206 (time 1780525091.41 total 20.00 last 260.89)
 - open/keep 7962 (time 1780525101.41 total 30.00 last 275.54)
 - open/keep 10000 (time 1780525108.86 total 37.45 last 273.66)
 - open/keep 13124 (time 1780525118.86 total 47.45 last 312.37)
 - open/keep 16161 (time 1780525128.86 total 57.45 last 303.66)
 - open/keep 18857 (time 1780525138.86 total 67.45 last 269.57)
 - open/keep 20000 (time 1780525143.46 total 72.06 last 248.32)
 - open/keep 22524 (time 1780525153.46 total 82.06 last 252.37)
 - open/keep 25504 (time 1780525163.46 total 92.06 last 297.98)
 - open/keep 28423 (time 1780525173.46 total 102.06 last 291.89)
 - open/keep 30000 (time 1780525179.21 total 107.81 last 274.33)
 - open/keep 32613 (time 1780525189.21 total 117.81 last 261.26)
total: 33152 open/keep in 120.00 seconds: 276.26 ops/second
 - closed 4015 (time 1780525201.41 total 10.00 last -2859.30)
 - closed 8461 (time 1780525211.41 total 20.00 last 444.58)
 - closed 10000 (time 1780525214.38 total 22.97 last 518.01)
 - closed 14892 (time 1780525224.38 total 32.97 last 489.17)
 - closed 20000 (time 1780525233.71 total 42.30 last 547.50)
 - closed 25122 (time 1780525243.71 total 52.30 last 512.17)
 - closed 29562 (time 1780525253.71 total 62.31 last 443.94)
 - closed 30000 (time 1780525254.76 total 63.35 last 420.79)
total: 33152 close in 70.63 seconds: 469.40 close/second
 - unlinked 0 (time 1780525266 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525297 ; total 31 ; last 31)
 - unlinked 20000 (time 1780525327 ; total 61 ; last 30)
 - unlinked 30000 (time 1780525353 ; total 87 ; last 26)
unlink(/mnt/lustre/d51f.sanity/f33152) error: No such file or directory
total: 33152 unlinks in 94 seconds: 352.680847 unlinks/second