== sanity test 51f: check many open files limit ========== 18:35:09 (1736984109)
MDT0 numfree=500176, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4403 (time 1736984120.70 total 10.00 last 440.24)
 - open/keep 8506 (time 1736984130.71 total 20.00 last 410.19)
 - open/keep 10000 (time 1736984134.66 total 23.96 last 377.38)
 - open/keep 13600 (time 1736984144.67 total 33.97 last 359.92)
 - open/keep 17584 (time 1736984154.67 total 43.97 last 398.37)
 - open/keep 20000 (time 1736984159.78 total 49.08 last 472.15)
 - open/keep 24161 (time 1736984169.79 total 59.09 last 416.01)
 - open/keep 28271 (time 1736984179.79 total 69.09 last 410.99)
 - open/keep 30000 (time 1736984184.40 total 73.70 last 374.61)
 - open/keep 34027 (time 1736984194.40 total 83.70 last 402.66)
 - open/keep 37820 (time 1736984204.40 total 93.70 last 379.26)
 - open/keep 40000 (time 1736984208.78 total 98.07 last 498.74)
 - open/keep 45270 (time 1736984218.78 total 108.07 last 527.00)
 - open/keep 50000 (time 1736984228.54 total 117.84 last 484.31)
total: 51169 open/keep in 120.00 seconds: 426.40 ops/second
 - closed 6588 (time 1736984240.70 total 10.00 last -4341.14)
 - closed 10000 (time 1736984245.90 total 15.20 last 656.36)
 - closed 15899 (time 1736984255.90 total 25.20 last 589.85)
 - closed 20000 (time 1736984262.62 total 31.92 last 610.53)
 - closed 26428 (time 1736984272.62 total 41.92 last 642.79)
 - closed 30000 (time 1736984277.98 total 47.27 last 666.90)
 - closed 35746 (time 1736984287.98 total 57.27 last 574.60)
 - closed 40000 (time 1736984294.18 total 63.47 last 686.04)
 - closed 48283 (time 1736984304.18 total 73.47 last 828.21)
 - closed 50000 (time 1736984306.42 total 75.72 last 765.67)
total: 51169 close in 77.32 seconds: 661.80 close/second
 - unlinked 0 (time 1736984309 ; total 0 ; last 0)
 - unlinked 10000 (time 1736984325 ; total 16 ; last 16)
 - unlinked 20000 (time 1736984343 ; total 34 ; last 18)
 - unlinked 30000 (time 1736984361 ; total 52 ; last 18)
 - unlinked 40000 (time 1736984378 ; total 69 ; last 17)
 - unlinked 50000 (time 1736984394 ; total 85 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f51169) error: No such file or directory
total: 51169 unlinks in 87 seconds: 588.149414 unlinks/second