== sanity test 51f: check many open files limit ========== 18:11:24 (1780524684)
ulimit_old=1024 numfree=    1023724, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4098 (time 1780524696.38 total 10.00 last 409.78)
 - open/keep 8341 (time 1780524706.38 total 20.00 last 424.24)
 - open/keep 10000 (time 1780524710.55 total 24.17 last 398.32)
 - open/keep 13869 (time 1780524720.55 total 34.17 last 386.85)
 - open/keep 17928 (time 1780524730.55 total 44.17 last 405.90)
 - open/keep 20000 (time 1780524735.22 total 48.84 last 443.34)
 - open/keep 24494 (time 1780524745.22 total 58.84 last 449.39)
 - open/keep 29242 (time 1780524755.22 total 68.84 last 474.73)
 - open/keep 33835 (time 1780524765.23 total 78.85 last 459.20)
 - open/keep 38615 (time 1780524775.23 total 88.85 last 477.94)
 - open/keep 40000 (time 1780524778.47 total 92.08 last 427.78)
 - open/keep 44473 (time 1780524788.47 total 102.09 last 447.24)
 - open/keep 49248 (time 1780524798.47 total 112.09 last 477.47)
total: 53065 open/keep in 120.00 seconds: 442.21 ops/second
 - closed 8360 (time 1780524816.38 total 10.00 last -4088.47)
 - closed 10000 (time 1780524818.17 total 11.79 last 917.83)
 - closed 18421 (time 1780524828.17 total 21.79 last 842.10)
 - closed 20000 (time 1780524829.99 total 23.61 last 867.85)
 - closed 27807 (time 1780524839.99 total 33.61 last 780.63)
 - closed 30000 (time 1780524843.05 total 36.67 last 716.13)
 - closed 37815 (time 1780524853.05 total 46.67 last 781.49)
 - closed 40000 (time 1780524856.06 total 49.68 last 726.76)
 - closed 47265 (time 1780524866.06 total 59.68 last 726.48)
 - closed 50000 (time 1780524869.64 total 63.26 last 763.90)
total: 53065 close in 67.76 seconds: 783.19 close/second
 - unlinked 0 (time 1780524878 ; total 0 ; last 0)
 - unlinked 10000 (time 1780524897 ; total 19 ; last 19)
 - unlinked 20000 (time 1780524917 ; total 39 ; last 20)
 - unlinked 30000 (time 1780524934 ; total 56 ; last 17)
 - unlinked 40000 (time 1780524950 ; total 72 ; last 16)
 - unlinked 50000 (time 1780524967 ; total 89 ; last 17)
unlink(/mnt/lustre/d51f.sanity/f53065) error: No such file or directory
total: 53065 unlinks in 94 seconds: 564.521301 unlinks/second