== sanity test 51f: check many open files limit ========== 17:08:17 (1775768897)
MDT0 numfree=     531449 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1257 (time 1775768911.06 total 10.00 last 125.68)
 - open/keep 2419 (time 1775768921.08 total 20.01 last 116.06)
 - open/keep 3536 (time 1775768931.08 total 30.01 last 111.69)
 - open/keep 4658 (time 1775768941.08 total 40.02 last 112.17)
 - open/keep 5790 (time 1775768951.09 total 50.02 last 113.14)
 - open/keep 6962 (time 1775768961.09 total 60.03 last 117.17)
 - open/keep 8077 (time 1775768971.09 total 70.03 last 111.43)
 - open/keep 9104 (time 1775768981.11 total 80.05 last 102.53)
 - open/keep 10000 (time 1775768989.02 total 87.96 last 113.28)
 - open/keep 11139 (time 1775768999.02 total 97.96 last 113.90)
 - open/keep 12277 (time 1775769009.02 total 107.96 last 113.77)
 - open/keep 13421 (time 1775769019.03 total 117.97 last 114.34)
total: 13681 open/keep in 120.01 seconds: 114.00 ops/second
 - closed 2078 (time 1775769031.07 total 10.00 last -1133.99)
 - closed 3998 (time 1775769041.09 total 20.02 last 191.75)
 - closed 5588 (time 1775769051.10 total 30.03 last 158.73)
 - closed 7318 (time 1775769061.11 total 40.04 last 172.95)
 - closed 8934 (time 1775769071.11 total 50.04 last 161.55)
 - closed 10000 (time 1775769076.62 total 55.55 last 193.36)
 - closed 11891 (time 1775769086.63 total 65.55 last 189.05)
 - closed 13515 (time 1775769096.63 total 75.56 last 162.39)
total: 13681 close in 76.35 seconds: 179.18 close/second
 - unlinked 0 (time 1775769101 ; total 0 ; last 0)
 - unlinked 10000 (time 1775769200 ; total 99 ; last 99)
unlink(/mnt/lustre/d51f.sanity/f13681) error: No such file or directory
total: 13681 unlinks in 132 seconds: 103.643936 unlinks/second