== sanity test 51f: check many open files limit ========== 21:30:17 (1708828217)
MDT0 numfree=498293, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5410 (time 1708828228.05 total 10.00 last 540.88)
 - open/keep 8618 (time 1708828238.05 total 20.00 last 320.72)
 - open/keep 10000 (time 1708828243.25 total 25.20 last 265.79)
 - open/keep 12195 (time 1708828253.25 total 35.21 last 219.47)
 - open/keep 14118 (time 1708828263.25 total 45.21 last 192.28)
 - open/keep 15980 (time 1708828273.25 total 55.21 last 186.19)
 - open/keep 17619 (time 1708828283.26 total 65.21 last 163.83)
 - open/keep 19324 (time 1708828293.26 total 75.21 last 170.49)
 - open/keep 20000 (time 1708828297.56 total 79.51 last 157.33)
 - open/keep 21479 (time 1708828307.56 total 89.52 last 147.81)
 - open/keep 22993 (time 1708828317.56 total 99.52 last 151.38)
 - open/keep 24379 (time 1708828327.57 total 109.52 last 138.49)
 - open/keep 25773 (time 1708828337.58 total 119.53 last 139.34)
total: 25837 open/keep in 120.00 seconds: 215.30 ops/second
 - closed 10000 (time 1708828346.61 total 8.56 last -1843.21)
 - closed 19157 (time 1708828356.61 total 18.56 last 915.67)
 - closed 20000 (time 1708828357.52 total 19.47 last 927.49)
total: 25837 close in 28.69 seconds: 900.49 close/second
 - unlinked 0 (time 1708828367 ; total 0 ; last 0)
 - unlinked 10000 (time 1708828436 ; total 69 ; last 69)
 - unlinked 20000 (time 1708828475 ; total 108 ; last 39)
unlink(/mnt/lustre/d51f.sanity/f25837) error: No such file or directory
total: 25837 unlinks in 117 seconds: 220.829056 unlinks/second