== sanity test 51f: check many open files limit ========== 18:17:58 (1780525078)
ulimit_old=1024 numfree=     526523, max=100000
changed ulimit from 1024 to 100100
 - open/keep 2595 (time 1780525090.36 total 10.00 last 259.45)
 - open/keep 5259 (time 1780525100.36 total 20.00 last 266.39)
 - open/keep 7892 (time 1780525110.36 total 30.00 last 263.29)
 - open/keep 10000 (time 1780525117.44 total 37.08 last 297.77)
 - open/keep 12957 (time 1780525127.44 total 47.08 last 295.66)
 - open/keep 15569 (time 1780525137.45 total 57.09 last 261.14)
 - open/keep 18040 (time 1780525147.45 total 67.09 last 247.09)
 - open/keep 20000 (time 1780525155.17 total 74.81 last 253.66)
 - open/keep 22962 (time 1780525165.18 total 84.82 last 296.11)
 - open/keep 25866 (time 1780525175.18 total 94.82 last 290.38)
 - open/keep 28564 (time 1780525185.18 total 104.82 last 269.74)
 - open/keep 30000 (time 1780525190.94 total 110.58 last 249.48)
total: 32451 open/keep in 120.00 seconds: 270.42 ops/second
 - closed 4210 (time 1780525210.37 total 10.00 last -2578.86)
 - closed 9038 (time 1780525220.37 total 20.00 last 482.72)
 - closed 10000 (time 1780525222.29 total 21.93 last 500.20)
 - closed 14918 (time 1780525232.29 total 31.93 last 491.72)
 - closed 20000 (time 1780525242.05 total 41.69 last 520.70)
 - closed 24660 (time 1780525252.05 total 51.69 last 465.93)
 - closed 28959 (time 1780525262.05 total 61.69 last 429.85)
 - closed 30000 (time 1780525264.54 total 64.18 last 418.82)
total: 32451 close in 69.30 seconds: 468.28 close/second
 - unlinked 0 (time 1780525274 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525306 ; total 32 ; last 32)
 - unlinked 20000 (time 1780525338 ; total 64 ; last 32)
 - unlinked 30000 (time 1780525364 ; total 90 ; last 26)
unlink(/mnt/lustre/d51f.sanity/f32451) error: No such file or directory
total: 32451 unlinks in 97 seconds: 334.546387 unlinks/second