== sanity test 51f: check many open files limit ========== 18:13:15 (1780524795)
ulimit_old=1024 numfree=     519773, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4604 (time 1780524807.28 total 10.00 last 460.40)
 - open/keep 9435 (time 1780524817.28 total 20.00 last 483.01)
 - open/keep 14277 (time 1780524827.28 total 30.00 last 484.11)
 - open/keep 18929 (time 1780524837.28 total 40.01 last 464.94)
 - open/keep 20000 (time 1780524839.79 total 42.52 last 427.21)
 - open/keep 24104 (time 1780524849.79 total 52.52 last 410.33)
 - open/keep 28301 (time 1780524859.80 total 62.52 last 419.51)
 - open/keep 30000 (time 1780524864.07 total 66.80 last 397.59)
 - open/keep 34093 (time 1780524874.07 total 76.80 last 409.22)
 - open/keep 38004 (time 1780524884.07 total 86.80 last 391.06)
 - open/keep 40000 (time 1780524889.16 total 91.88 last 392.83)
 - open/keep 44390 (time 1780524899.16 total 101.88 last 438.93)
 - open/keep 48570 (time 1780524909.16 total 111.88 last 417.92)
 - open/keep 50000 (time 1780524912.26 total 114.98 last 461.43)
total: 52214 open/keep in 120.00 seconds: 435.11 ops/second
 - closed 8453 (time 1780524927.28 total 10.00 last -4154.30)
 - closed 10000 (time 1780524928.77 total 11.50 last 1034.29)
 - closed 18258 (time 1780524938.77 total 21.50 last 825.78)
 - closed 20000 (time 1780524940.57 total 23.29 last 971.28)
 - closed 29464 (time 1780524950.57 total 33.29 last 946.32)
 - closed 30000 (time 1780524951.18 total 33.91 last 869.27)
 - closed 38625 (time 1780524961.19 total 43.91 last 862.45)
 - closed 40000 (time 1780524962.71 total 45.43 last 903.49)
 - closed 48422 (time 1780524972.71 total 55.43 last 842.11)
 - closed 50000 (time 1780524974.28 total 57.01 last 1000.95)
total: 52214 close in 59.23 seconds: 881.56 close/second
 - unlinked 0 (time 1780524979 ; total 0 ; last 0)
 - unlinked 10000 (time 1780524997 ; total 18 ; last 18)
 - unlinked 20000 (time 1780525014 ; total 35 ; last 17)
 - unlinked 30000 (time 1780525029 ; total 50 ; last 15)
 - unlinked 40000 (time 1780525045 ; total 66 ; last 16)
 - unlinked 50000 (time 1780525059 ; total 80 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f52214) error: No such file or directory
total: 52214 unlinks in 83 seconds: 629.084351 unlinks/second