== sanity test 51f: check many open files limit ========== 03:09:52 (1768550992)
MDT0 numfree=     496324 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1254 (time 1768551006.60 total 10.01 last 125.31)
 - open/keep 2405 (time 1768551016.60 total 20.01 last 115.10)
 - open/keep 3666 (time 1768551026.60 total 30.01 last 126.05)
 - open/keep 4851 (time 1768551036.61 total 40.02 last 118.45)
 - open/keep 6041 (time 1768551046.62 total 50.02 last 118.90)
 - open/keep 7219 (time 1768551056.62 total 60.03 last 117.72)
 - open/keep 8236 (time 1768551066.63 total 70.04 last 101.65)
 - open/keep 9485 (time 1768551076.63 total 80.04 last 124.85)
 - open/keep 10000 (time 1768551080.17 total 83.58 last 145.59)
 - open/keep 11025 (time 1768551090.18 total 93.59 last 102.36)
 - open/keep 12042 (time 1768551100.18 total 103.59 last 101.67)
 - open/keep 13210 (time 1768551110.19 total 113.60 last 116.73)
total: 13741 open/keep in 120.01 seconds: 114.50 ops/second
 - closed 1486 (time 1768551126.60 total 10.00 last -1172.33)
 - closed 2971 (time 1768551136.60 total 20.01 last 148.42)
 - closed 4658 (time 1768551146.61 total 30.01 last 168.59)
 - closed 6390 (time 1768551156.61 total 40.01 last 173.17)
 - closed 8096 (time 1768551166.61 total 50.02 last 170.56)
 - closed 9840 (time 1768551176.62 total 60.03 last 174.23)
 - closed 10000 (time 1768551177.54 total 60.95 last 173.94)
 - closed 11697 (time 1768551187.54 total 70.95 last 169.69)
 - closed 13453 (time 1768551197.56 total 80.96 last 175.30)
total: 13741 close in 82.98 seconds: 165.60 close/second
 - unlinked 0 (time 1768551205 ; total 0 ; last 0)
 - unlinked 10000 (time 1768551316 ; total 111 ; last 111)
unlink(/mnt/lustre/d51f.sanity/f13741) error: No such file or directory
total: 13741 unlinks in 141 seconds: 97.453903 unlinks/second