== sanity test 51f: check many open files limit ========== 19:05:22 (1736985922)
MDT0 numfree=495498, max=100000
changed ulimit from 1024 to 100020
 - open/keep 6785 (time 1736985933.74 total 10.00 last 678.44)
 - open/keep 10000 (time 1736985938.24 total 14.50 last 715.19)
 - open/keep 15692 (time 1736985948.24 total 24.50 last 569.17)
 - open/keep 20000 (time 1736985955.65 total 31.91 last 581.47)
 - open/keep 25335 (time 1736985965.65 total 41.91 last 533.45)
 - open/keep 30000 (time 1736985974.03 total 50.29 last 556.71)
 - open/keep 34963 (time 1736985984.03 total 60.29 last 496.28)
 - open/keep 40000 (time 1736985992.38 total 68.65 last 602.61)
 - open/keep 45476 (time 1736986002.38 total 78.65 last 547.59)
 - open/keep 50000 (time 1736986009.08 total 85.35 last 675.22)
 - open/keep 56274 (time 1736986019.09 total 95.35 last 627.37)
 - open/keep 60000 (time 1736986025.05 total 101.32 last 624.18)
 - open/keep 66654 (time 1736986035.06 total 111.32 last 665.34)
 - open/keep 70000 (time 1736986038.92 total 115.18 last 865.57)
total: 74152 open/keep in 120.00 seconds: 617.93 ops/second
 - closed 10000 (time 1736986051.98 total 8.24 last -7281.84)
 - closed 20000 (time 1736986060.18 total 16.44 last 1218.95)
 - closed 30000 (time 1736986068.13 total 24.39 last 1258.20)
 - closed 40000 (time 1736986076.00 total 32.26 last 1271.47)
 - closed 50000 (time 1736986085.01 total 41.27 last 1109.45)
 - closed 60000 (time 1736986093.20 total 49.46 last 1220.87)
 - closed 70000 (time 1736986100.83 total 57.09 last 1310.15)
total: 74152 close in 60.39 seconds: 1227.96 close/second
 - unlinked 0 (time 1736986105 ; total 0 ; last 0)
 - unlinked 10000 (time 1736986115 ; total 10 ; last 10)
 - unlinked 20000 (time 1736986125 ; total 20 ; last 10)
 - unlinked 30000 (time 1736986135 ; total 30 ; last 10)
 - unlinked 40000 (time 1736986146 ; total 41 ; last 11)
 - unlinked 50000 (time 1736986155 ; total 50 ; last 9)
 - unlinked 60000 (time 1736986167 ; total 62 ; last 12)
 - unlinked 70000 (time 1736986178 ; total 73 ; last 11)
unlink(/mnt/lustre/d51f.sanity/f74152) error: No such file or directory
total: 74152 unlinks in 77 seconds: 963.013000 unlinks/second