== sanity test 51f: check many open files limit ========== 18:14:37 (1780524877)
striped dir -i1 -c1 -H all_char  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=     495785, max=100000
changed ulimit from 1024 to 100100
 - open/keep 3514 (time 1780524889.04 total 10.00 last 351.32)
 - open/keep 7292 (time 1780524899.04 total 20.00 last 377.72)
 - open/keep 10000 (time 1780524906.78 total 27.74 last 350.02)
 - open/keep 13775 (time 1780524916.78 total 37.74 last 377.43)
 - open/keep 17630 (time 1780524926.78 total 47.74 last 385.47)
 - open/keep 20000 (time 1780524932.64 total 53.60 last 404.61)
 - open/keep 23868 (time 1780524942.64 total 63.60 last 386.72)
 - open/keep 28214 (time 1780524952.64 total 73.60 last 434.55)
 - open/keep 30000 (time 1780524956.91 total 77.87 last 418.45)
 - open/keep 33958 (time 1780524966.91 total 87.87 last 395.78)
 - open/keep 38692 (time 1780524976.91 total 97.87 last 473.33)
 - open/keep 40000 (time 1780524979.25 total 100.21 last 559.89)
 - open/keep 44605 (time 1780524989.25 total 110.21 last 460.47)
total: 49254 open/keep in 120.00 seconds: 410.45 ops/second
 - closed 10000 (time 1780525008.67 total 9.63 last -3594.52)
 - closed 19969 (time 1780525018.67 total 19.63 last 996.87)
 - closed 20000 (time 1780525018.69 total 19.66 last 1091.40)
 - closed 30000 (time 1780525027.73 total 28.69 last 1107.12)
 - closed 40000 (time 1780525036.42 total 37.38 last 1150.32)
total: 49254 close in 44.91 seconds: 1096.83 close/second
 - unlinked 0 (time 1780525047 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525061 ; total 14 ; last 14)
 - unlinked 20000 (time 1780525075 ; total 28 ; last 14)
 - unlinked 30000 (time 1780525089 ; total 42 ; last 14)
 - unlinked 40000 (time 1780525103 ; total 56 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f49254) error: No such file or directory
total: 49254 unlinks in 70 seconds: 703.628601 unlinks/second