== sanity test 51f: check many open files limit ========== 00:23:00 (1789186980)
MDT0 numfree=532525, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1423 (time 1789186993.71 total 10.00 last 142.25)
 - open/keep 2955 (time 1789187003.72 total 20.01 last 153.13)
 - open/keep 4456 (time 1789187013.72 total 30.01 last 150.05)
 - open/keep 5992 (time 1789187023.72 total 40.01 last 153.55)
 - open/keep 7471 (time 1789187033.73 total 50.02 last 147.81)
 - open/keep 9167 (time 1789187043.74 total 60.02 last 169.53)
 - open/keep 10000 (time 1789187047.98 total 64.27 last 196.18)
 - open/keep 11829 (time 1789187057.99 total 74.28 last 182.83)
 - open/keep 13719 (time 1789187067.99 total 84.28 last 188.94)
 - open/keep 15651 (time 1789187077.99 total 94.28 last 193.16)
 - open/keep 17384 (time 1789187088.00 total 104.28 last 173.22)
 - open/keep 18995 (time 1789187098.00 total 114.29 last 161.03)
total: 19875 open/keep in 120.01 seconds: 165.61 ops/second
 - closed 2241 (time 1789187113.73 total 10.01 last -1674.47)
 - closed 4942 (time 1789187123.73 total 20.01 last 270.05)
 - closed 7477 (time 1789187133.73 total 30.01 last 253.44)
 - closed 9791 (time 1789187143.73 total 40.01 last 231.38)
 - closed 10000 (time 1789187144.58 total 40.85 last 248.19)
 - closed 12213 (time 1789187154.58 total 50.85 last 221.26)
 - closed 14854 (time 1789187164.58 total 60.85 last 264.09)
 - closed 17354 (time 1789187174.58 total 70.85 last 250.00)
 - closed 19648 (time 1789187184.58 total 80.86 last 229.31)
total: 19875 close in 81.71 seconds: 243.24 close/second
 - unlinked 0 (time 1789187188 ; total 0 ; last 0)
 - unlinked 10000 (time 1789187237 ; total 49 ; last 49)
unlink(/mnt/lustre/d51f.sanity/f19875) error: No such file or directory
total: 19875 unlinks in 104 seconds: 191.105774 unlinks/second