== sanity test 51f: check many open files limit ========== 06:14:27 (1786356867)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021965, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2187 (time 1786356880.36 total 10.00 last 218.61)
 - open/keep 4340 (time 1786356890.37 total 20.01 last 215.24)
 - open/keep 6418 (time 1786356900.37 total 30.01 last 207.79)
 - open/keep 8733 (time 1786356910.37 total 40.01 last 231.42)
 - open/keep 10000 (time 1786356915.72 total 45.36 last 236.81)
 - open/keep 12216 (time 1786356925.72 total 55.36 last 221.53)
 - open/keep 13983 (time 1786356935.81 total 65.45 last 175.24)
 - open/keep 15355 (time 1786356945.81 total 75.45 last 137.17)
 - open/keep 16677 (time 1786356955.81 total 85.45 last 132.13)
 - open/keep 17701 (time 1786356965.81 total 95.46 last 102.39)
 - open/keep 18926 (time 1786356975.82 total 105.46 last 122.45)
 - open/keep 20000 (time 1786356984.27 total 113.91 last 127.12)
total: 20693 open/keep in 120.01 seconds: 172.43 ops/second
 - closed 1528 (time 1786357000.37 total 10.00 last -1846.95)
 - closed 3007 (time 1786357010.37 total 20.00 last 147.86)
 - closed 4256 (time 1786357020.37 total 30.01 last 124.89)
 - closed 6339 (time 1786357030.38 total 40.01 last 208.16)
 - closed 8882 (time 1786357040.38 total 50.02 last 254.22)
 - closed 10000 (time 1786357043.73 total 53.37 last 333.45)
 - closed 12689 (time 1786357053.73 total 63.37 last 268.88)
 - closed 15630 (time 1786357063.74 total 73.37 last 294.01)
 - closed 18511 (time 1786357073.74 total 83.37 last 288.03)
 - closed 20000 (time 1786357078.61 total 88.25 last 305.67)
total: 20693 close in 90.94 seconds: 227.54 close/second
 - unlinked 0 (time 1786357085 ; total 0 ; last 0)
 - unlinked 10000 (time 1786357142 ; total 57 ; last 57)
 - unlinked 20000 (time 1786357200 ; total 115 ; last 58)
unlink(/mnt/lustre/d51f.sanity/f20693) error: No such file or directory
total: 20693 unlinks in 119 seconds: 173.890762 unlinks/second