== sanity test 51f: check many open files limit ========== 15:35:18 (1764794118)
MDT0 numfree=     492049 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2052 (time 1764794130.84 total 10.00 last 205.17)
 - open/keep 3494 (time 1764794140.84 total 20.00 last 144.18)
 - open/keep 4828 (time 1764794150.85 total 30.01 last 133.28)
 - open/keep 7094 (time 1764794160.85 total 40.01 last 226.54)
 - open/keep 10000 (time 1764794166.74 total 45.90 last 493.92)
 - open/keep 15288 (time 1764794176.74 total 55.90 last 528.73)
 - open/keep 20000 (time 1764794184.69 total 63.85 last 592.77)
 - open/keep 24310 (time 1764794194.69 total 73.85 last 430.99)
 - open/keep 28587 (time 1764794204.69 total 83.85 last 427.65)
 - open/keep 30000 (time 1764794207.66 total 86.82 last 475.42)
 - open/keep 35137 (time 1764794217.66 total 96.82 last 513.60)
 - open/keep 40000 (time 1764794226.42 total 105.58 last 555.57)
 - open/keep 45699 (time 1764794236.42 total 115.58 last 569.85)
total: 48712 open/keep in 120.00 seconds: 405.93 ops/second
 - closed 10000 (time 1764794250.39 total 9.56 last -3735.28)
 - closed 19509 (time 1764794260.40 total 19.56 last 950.86)
 - closed 20000 (time 1764794260.85 total 20.01 last 1077.98)
 - closed 24728 (time 1764794270.85 total 30.02 last 472.69)
 - closed 27232 (time 1764794280.86 total 40.03 last 250.15)
 - closed 29476 (time 1764794290.86 total 50.03 last 224.37)
 - closed 30000 (time 1764794293.13 total 52.29 last 231.10)
 - closed 32222 (time 1764794303.13 total 62.30 last 222.16)
 - closed 34895 (time 1764794313.14 total 72.30 last 267.14)
 - closed 37492 (time 1764794323.14 total 82.31 last 259.59)
 - closed 40000 (time 1764794331.25 total 90.41 last 309.41)
 - closed 44253 (time 1764794341.25 total 100.42 last 425.17)
 - closed 48623 (time 1764794351.26 total 110.42 last 436.85)
total: 48712 close in 110.71 seconds: 439.99 close/second
 - unlinked 0 (time 1764794353 ; total 0 ; last 0)
 - unlinked 10000 (time 1764794379 ; total 26 ; last 26)
 - unlinked 20000 (time 1764794404 ; total 51 ; last 25)
 - unlinked 30000 (time 1764794429 ; total 76 ; last 25)
 - unlinked 40000 (time 1764794457 ; total 104 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f48712) error: No such file or directory
total: 48712 unlinks in 119 seconds: 409.344543 unlinks/second