== sanity test 51f: check many open files limit ========== 19:16:47 (1786749407)
MDT0 numfree=     533063, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1295 (time 1786749421.85 total 10.00 last 129.45)
 - open/keep 2575 (time 1786749431.85 total 20.01 last 127.93)
 - open/keep 3813 (time 1786749441.85 total 30.01 last 123.75)
 - open/keep 5260 (time 1786749451.86 total 40.02 last 144.66)
 - open/keep 6780 (time 1786749461.86 total 50.02 last 151.97)
 - open/keep 8057 (time 1786749471.87 total 60.02 last 127.61)
 - open/keep 9402 (time 1786749481.87 total 70.03 last 134.49)
 - open/keep 10000 (time 1786749487.21 total 75.37 last 111.86)
 - open/keep 11402 (time 1786749497.22 total 85.38 last 140.11)
 - open/keep 12777 (time 1786749507.23 total 95.39 last 137.37)
 - open/keep 14061 (time 1786749517.23 total 105.39 last 128.38)
 - open/keep 15400 (time 1786749527.23 total 115.39 last 133.86)
total: 16053 open/keep in 120.00 seconds: 133.77 ops/second
 - closed 1991 (time 1786749541.85 total 10.00 last -1340.79)
 - closed 4133 (time 1786749551.85 total 20.01 last 214.02)
 - closed 6500 (time 1786749561.86 total 30.01 last 236.66)
 - closed 8678 (time 1786749571.86 total 40.01 last 217.77)
 - closed 10000 (time 1786749577.57 total 45.72 last 231.56)
 - closed 12264 (time 1786749587.57 total 55.72 last 226.35)
 - closed 14332 (time 1786749597.57 total 65.72 last 206.77)
total: 16053 close in 72.84 seconds: 220.38 close/second
 - unlinked 0 (time 1786749609 ; total 0 ; last 0)
 - unlinked 10000 (time 1786749687 ; total 78 ; last 78)
unlink(/mnt/lustre/d51f.sanity/f16053) error: No such file or directory
total: 16053 unlinks in 130 seconds: 123.484619 unlinks/second