== sanity test 51f: check many open files limit ========== 18:13:21 (1780524801)
striped dir -i1 -c1 -H crush  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=    1023567, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4069 (time 1780524812.63 total 10.00 last 406.83)
 - open/keep 7907 (time 1780524822.63 total 20.00 last 383.75)
 - open/keep 10000 (time 1780524827.63 total 25.00 last 418.60)
 - open/keep 13779 (time 1780524837.64 total 35.00 last 377.84)
 - open/keep 17351 (time 1780524847.64 total 45.01 last 357.10)
 - open/keep 20000 (time 1780524853.59 total 50.96 last 444.96)
 - open/keep 24379 (time 1780524863.59 total 60.96 last 437.86)
 - open/keep 28277 (time 1780524873.59 total 70.96 last 389.78)
 - open/keep 30000 (time 1780524878.86 total 76.23 last 327.32)
 - open/keep 33383 (time 1780524888.86 total 86.23 last 338.30)
 - open/keep 36945 (time 1780524898.86 total 96.23 last 356.12)
 - open/keep 40000 (time 1780524908.41 total 105.78 last 319.84)
 - open/keep 43376 (time 1780524918.41 total 115.78 last 337.57)
total: 44948 open/keep in 120.00 seconds: 374.57 ops/second
 - closed 8202 (time 1780524932.63 total 10.00 last -3517.11)
 - closed 10000 (time 1780524934.89 total 12.26 last 795.70)
 - closed 17412 (time 1780524944.89 total 22.26 last 741.13)
 - closed 20000 (time 1780524948.43 total 25.80 last 730.87)
 - closed 27294 (time 1780524958.44 total 35.80 last 729.27)
 - closed 30000 (time 1780524961.87 total 39.24 last 787.33)
 - closed 37353 (time 1780524971.87 total 49.24 last 735.25)
 - closed 40000 (time 1780524975.68 total 53.05 last 694.64)
total: 44948 close in 59.53 seconds: 755.06 close/second
 - unlinked 0 (time 1780524986 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525005 ; total 19 ; last 19)
 - unlinked 20000 (time 1780525026 ; total 40 ; last 21)
 - unlinked 30000 (time 1780525046 ; total 60 ; last 20)
 - unlinked 40000 (time 1780525067 ; total 81 ; last 21)
unlink(/mnt/lustre/d51f.sanity/f44948) error: No such file or directory
total: 44948 unlinks in 92 seconds: 488.565216 unlinks/second