== sanity test 51f: check many open files limit ========== 23:13:00 (1763352780)
MDT0 numfree=     490407 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2650 (time 1763352792.52 total 10.00 last 264.98)
 - open/keep 5206 (time 1763352802.52 total 20.00 last 255.52)
 - open/keep 7683 (time 1763352812.52 total 30.01 last 247.65)
 - open/keep 10000 (time 1763352820.00 total 37.48 last 309.94)
 - open/keep 12939 (time 1763352830.00 total 47.48 last 293.85)
 - open/keep 15639 (time 1763352840.00 total 57.48 last 269.96)
 - open/keep 18699 (time 1763352850.00 total 67.49 last 305.94)
 - open/keep 20000 (time 1763352854.66 total 72.15 last 279.24)
 - open/keep 22720 (time 1763352864.66 total 82.15 last 271.95)
 - open/keep 25543 (time 1763352874.67 total 92.15 last 282.23)
 - open/keep 28389 (time 1763352884.67 total 102.15 last 284.59)
 - open/keep 30000 (time 1763352890.10 total 107.58 last 296.73)
 - open/keep 33098 (time 1763352900.10 total 117.58 last 309.75)
total: 33965 open/keep in 120.00 seconds: 283.03 ops/second
 - closed 4748 (time 1763352912.52 total 10.00 last -2834.05)
 - closed 7954 (time 1763352922.52 total 20.00 last 320.56)
 - closed 10000 (time 1763352928.32 total 25.80 last 352.88)
 - closed 13436 (time 1763352938.32 total 35.80 last 343.56)
 - closed 16757 (time 1763352948.33 total 45.81 last 332.00)
 - closed 20000 (time 1763352954.40 total 51.89 last 533.50)
 - closed 24911 (time 1763352964.41 total 61.89 last 491.08)
 - closed 29334 (time 1763352974.41 total 71.89 last 442.23)
 - closed 30000 (time 1763352975.64 total 73.12 last 539.13)
 - closed 33904 (time 1763352985.64 total 83.12 last 390.40)
total: 33965 close in 83.28 seconds: 407.82 close/second
 - unlinked 0 (time 1763352987 ; total 0 ; last 0)
 - unlinked 10000 (time 1763353020 ; total 33 ; last 33)
 - unlinked 20000 (time 1763353051 ; total 64 ; last 31)
 - unlinked 30000 (time 1763353081 ; total 94 ; last 30)
unlink(/mnt/lustre/d51f.sanity/f33965) error: No such file or directory
total: 33965 unlinks in 103 seconds: 329.757294 unlinks/second