== sanity test 51f: check many open files limit ========== 01:08:47 (1726117727)
MDT0 numfree=492722, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4806 (time 1726117739.07 total 10.00 last 480.51)
 - open/keep 9178 (time 1726117749.07 total 20.00 last 437.20)
 - open/keep 10000 (time 1726117751.19 total 22.13 last 387.01)
 - open/keep 14673 (time 1726117761.19 total 32.13 last 467.23)
 - open/keep 19416 (time 1726117771.19 total 42.13 last 474.27)
 - open/keep 23975 (time 1726117781.19 total 52.13 last 455.87)
 - open/keep 28539 (time 1726117791.19 total 62.13 last 456.34)
 - open/keep 30000 (time 1726117794.69 total 65.62 last 418.34)
 - open/keep 34336 (time 1726117804.69 total 75.62 last 433.55)
 - open/keep 38966 (time 1726117814.69 total 85.63 last 462.93)
 - open/keep 40000 (time 1726117816.85 total 87.78 last 478.81)
 - open/keep 44567 (time 1726117826.85 total 97.79 last 456.62)
 - open/keep 49092 (time 1726117836.85 total 107.79 last 452.46)
 - open/keep 53559 (time 1726117846.85 total 117.79 last 446.66)
total: 54408 open/keep in 120.00 seconds: 453.40 ops/second
 - closed 5775 (time 1726117859.07 total 10.00 last -4777.89)
 - closed 10000 (time 1726117865.56 total 16.50 last 650.48)
 - closed 16235 (time 1726117875.56 total 26.50 last 623.50)
 - closed 20000 (time 1726117881.98 total 32.91 last 586.71)
 - closed 26048 (time 1726117891.98 total 42.92 last 604.69)
 - closed 30000 (time 1726117898.62 total 49.55 last 595.45)
 - closed 35550 (time 1726117908.62 total 59.55 last 555.00)
 - closed 40000 (time 1726117916.25 total 67.18 last 583.06)
 - closed 46125 (time 1726117926.25 total 77.19 last 612.43)
 - closed 50000 (time 1726117931.92 total 82.85 last 683.81)
total: 54408 close in 89.31 seconds: 609.20 close/second
 - unlinked 0 (time 1726117939 ; total 0 ; last 0)
 - unlinked 10000 (time 1726117959 ; total 20 ; last 20)
 - unlinked 20000 (time 1726117979 ; total 40 ; last 20)
 - unlinked 30000 (time 1726117996 ; total 57 ; last 17)
 - unlinked 40000 (time 1726118010 ; total 71 ; last 14)
 - unlinked 50000 (time 1726118027 ; total 88 ; last 17)
unlink(/mnt/lustre/d51f.sanity/f54408) error: No such file or directory
total: 54408 unlinks in 97 seconds: 560.907227 unlinks/second