== sanity test 51f: check many open files limit ========== 17:18:56 (1712265536)
MDT0 numfree=494902, max=100000
changed ulimit from 1024 to 100020
 - open/keep 6057 (time 1712265547.24 total 10.00 last 605.60)
 - open/keep 10000 (time 1712265555.67 total 18.43 last 467.61)
 - open/keep 13654 (time 1712265565.68 total 28.44 last 365.32)
 - open/keep 16112 (time 1712265575.68 total 38.44 last 245.79)
 - open/keep 18535 (time 1712265585.68 total 48.44 last 242.26)
 - open/keep 20000 (time 1712265592.08 total 54.84 last 228.73)
 - open/keep 21978 (time 1712265602.09 total 64.85 last 197.70)
 - open/keep 24011 (time 1712265612.09 total 74.85 last 203.28)
 - open/keep 25689 (time 1712265622.09 total 84.85 last 167.71)
 - open/keep 27228 (time 1712265632.10 total 94.86 last 153.87)
 - open/keep 28638 (time 1712265642.10 total 104.86 last 140.91)
 - open/keep 30000 (time 1712265651.86 total 114.62 last 139.57)
total: 30623 open/keep in 120.00 seconds: 255.18 ops/second
 - closed 9674 (time 1712265667.24 total 10.00 last -2032.57)
 - closed 10000 (time 1712265667.55 total 10.31 last 1066.56)
 - closed 17772 (time 1712265677.55 total 20.31 last 777.14)
 - closed 20000 (time 1712265680.26 total 23.02 last 821.04)
 - closed 26950 (time 1712265690.27 total 33.02 last 694.94)
 - closed 30000 (time 1712265694.90 total 37.66 last 657.50)
total: 30623 close in 38.90 seconds: 787.27 close/second
 - unlinked 0 (time 1712265697 ; total 0 ; last 0)
 - unlinked 10000 (time 1712265763 ; total 66 ; last 66)
 - unlinked 20000 (time 1712265811 ; total 114 ; last 48)
 - unlinked 30000 (time 1712265839 ; total 142 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f30623) error: No such file or directory
total: 30623 unlinks in 143 seconds: 214.146851 unlinks/second