== sanity test 51f: check many open files limit ========== 20:43:07 (1763343787)
MDT0 numfree=     486776 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1234 (time 1763343801.28 total 10.01 last 123.31)
 - open/keep 2357 (time 1763343811.28 total 20.01 last 112.28)
 - open/keep 3602 (time 1763343821.28 total 30.01 last 124.45)
 - open/keep 4805 (time 1763343831.29 total 40.02 last 120.26)
 - open/keep 6093 (time 1763343841.29 total 50.02 last 128.79)
 - open/keep 7433 (time 1763343851.29 total 60.02 last 133.94)
 - open/keep 8740 (time 1763343861.30 total 70.03 last 130.58)
 - open/keep 10000 (time 1763343871.26 total 79.99 last 126.52)
 - open/keep 11211 (time 1763343881.27 total 90.00 last 121.01)
 - open/keep 12459 (time 1763343891.27 total 100.00 last 124.76)
 - open/keep 13730 (time 1763343901.27 total 110.00 last 127.04)
 - open/keep 15050 (time 1763343911.28 total 120.01 last 131.97)
total: 15051 open/keep in 120.01 seconds: 125.42 ops/second
 - closed 2021 (time 1763343921.28 total 10.00 last -1302.77)
 - closed 4178 (time 1763343931.28 total 20.00 last 215.66)
 - closed 6204 (time 1763343941.28 total 30.01 last 202.54)
 - closed 8089 (time 1763343951.28 total 40.01 last 188.49)
 - closed 9981 (time 1763343961.28 total 50.01 last 189.18)
 - closed 10000 (time 1763343961.35 total 50.07 last 295.32)
 - closed 12065 (time 1763343971.35 total 60.07 last 206.45)
 - closed 14118 (time 1763343981.35 total 70.08 last 205.28)
total: 15051 close in 74.67 seconds: 201.57 close/second
 - unlinked 0 (time 1763343989 ; total 0 ; last 0)
 - unlinked 10000 (time 1763344064 ; total 75 ; last 75)
unlink(/mnt/lustre/d51f.sanity/f15051) error: No such file or directory
total: 15051 unlinks in 112 seconds: 134.383926 unlinks/second