== sanity test 51f: check many open files limit ========== 00:35:59 (1734672959)
MDT0 numfree=492722, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2508 (time 1734672971.30 total 10.01 last 250.63)
 - open/keep 4710 (time 1734672981.30 total 20.01 last 220.07)
 - open/keep 7221 (time 1734672991.30 total 30.02 last 251.01)
 - open/keep 9777 (time 1734673001.31 total 40.02 last 255.54)
 - open/keep 11754 (time 1734673011.31 total 50.02 last 197.67)
 - open/keep 13742 (time 1734673021.31 total 60.02 last 198.79)
 - open/keep 16022 (time 1734673031.32 total 70.03 last 227.74)
 - open/keep 18276 (time 1734673041.33 total 80.04 last 225.29)
 - open/keep 20000 (time 1734673048.80 total 87.51 last 230.69)
 - open/keep 22464 (time 1734673058.80 total 97.51 last 246.40)
 - open/keep 24878 (time 1734673068.80 total 107.51 last 241.32)
 - open/keep 27084 (time 1734673078.80 total 117.52 last 220.56)
total: 27652 open/keep in 120.00 seconds: 230.43 ops/second
 - closed 4078 (time 1734673091.29 total 10.00 last -2300.07)
 - closed 8211 (time 1734673101.30 total 20.01 last 413.14)
 - closed 10000 (time 1734673105.76 total 24.47 last 401.20)
 - closed 14089 (time 1734673115.76 total 34.47 last 408.89)
 - closed 18106 (time 1734673125.76 total 44.47 last 401.64)
 - closed 20000 (time 1734673130.08 total 48.79 last 437.80)
 - closed 23719 (time 1734673140.08 total 58.79 last 371.89)
total: 27652 close in 68.78 seconds: 402.04 close/second
 - unlinked 0 (time 1734673151 ; total 0 ; last 0)
 - unlinked 10000 (time 1734673188 ; total 37 ; last 37)
 - unlinked 20000 (time 1734673225 ; total 74 ; last 37)
unlink(/mnt/lustre/d51f.sanity/f27652) error: No such file or directory
total: 27652 unlinks in 101 seconds: 273.782166 unlinks/second