== sanity test 51f: check many open files limit ========== 18:13:51 (1780524831)
striped dir -i1 -c2 -H crush  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=     549598, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4174 (time 1780524842.64 total 10.00 last 417.33)
 - open/keep 8203 (time 1780524852.64 total 20.00 last 402.81)
 - open/keep 10000 (time 1780524857.39 total 24.75 last 378.56)
 - open/keep 13950 (time 1780524867.39 total 34.75 last 394.96)
 - open/keep 17734 (time 1780524877.39 total 44.75 last 378.39)
 - open/keep 20000 (time 1780524883.11 total 50.48 last 395.90)
 - open/keep 23852 (time 1780524893.11 total 60.48 last 385.20)
 - open/keep 28297 (time 1780524903.11 total 70.48 last 444.42)
 - open/keep 30000 (time 1780524907.38 total 74.74 last 399.29)
 - open/keep 34448 (time 1780524917.38 total 84.74 last 444.80)
 - open/keep 39059 (time 1780524927.38 total 94.74 last 461.08)
 - open/keep 43183 (time 1780524937.38 total 104.74 last 412.33)
 - open/keep 47907 (time 1780524947.38 total 114.75 last 472.36)
 - open/keep 50000 (time 1780524952.16 total 119.53 last 437.83)
total: 50181 open/keep in 120.00 seconds: 418.17 ops/second
 - closed 8388 (time 1780524962.64 total 10.00 last -4160.84)
 - closed 10000 (time 1780524964.46 total 11.82 last 887.08)
 - closed 18862 (time 1780524974.46 total 21.82 last 886.12)
 - closed 20000 (time 1780524975.55 total 22.91 last 1043.07)
 - closed 29546 (time 1780524985.55 total 32.91 last 954.58)
 - closed 30000 (time 1780524986.02 total 33.38 last 958.74)
 - closed 39642 (time 1780524996.02 total 43.38 last 964.11)
 - closed 40000 (time 1780524996.41 total 43.77 last 919.33)
 - closed 50000 (time 1780525005.93 total 53.29 last 1051.08)
total: 50181 close in 53.51 seconds: 937.75 close/second
 - unlinked 0 (time 1780525009 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525027 ; total 18 ; last 18)
 - unlinked 20000 (time 1780525041 ; total 32 ; last 14)
 - unlinked 30000 (time 1780525056 ; total 47 ; last 15)
 - unlinked 40000 (time 1780525070 ; total 61 ; last 14)
 - unlinked 50000 (time 1780525084 ; total 75 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f50181) error: No such file or directory
total: 50181 unlinks in 76 seconds: 660.276306 unlinks/second