== sanity test 51f: check many open files limit ========== 12:58:12 (1772474292)
MDT0 numfree=     493365 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2086 (time 1772474304.93 total 10.00 last 208.56)
 - open/keep 4161 (time 1772474314.94 total 20.01 last 207.41)
 - open/keep 5986 (time 1772474324.94 total 30.01 last 182.40)
 - open/keep 7688 (time 1772474334.94 total 40.01 last 170.17)
 - open/keep 9313 (time 1772474344.94 total 50.02 last 162.47)
 - open/keep 10000 (time 1772474349.37 total 54.44 last 155.14)
 - open/keep 11692 (time 1772474359.38 total 64.45 last 169.14)
 - open/keep 13277 (time 1772474369.38 total 74.45 last 158.50)
 - open/keep 14601 (time 1772474379.38 total 84.45 last 132.33)
 - open/keep 16365 (time 1772474389.38 total 94.46 last 176.35)
 - open/keep 18178 (time 1772474399.39 total 104.46 last 181.19)
 - open/keep 19900 (time 1772474409.41 total 114.48 last 171.82)
total: 20982 open/keep in 120.00 seconds: 174.85 ops/second
 - closed 2942 (time 1772474424.94 total 10.00 last -1695.26)
 - closed 5779 (time 1772474434.94 total 20.00 last 283.67)
 - closed 8775 (time 1772474444.94 total 30.01 last 299.56)
 - closed 10000 (time 1772474448.66 total 33.73 last 328.68)
 - closed 13084 (time 1772474458.67 total 43.73 last 308.37)
 - closed 16144 (time 1772474468.67 total 53.73 last 305.99)
 - closed 19196 (time 1772474478.67 total 63.74 last 305.12)
 - closed 20000 (time 1772474481.40 total 66.46 last 294.71)
total: 20982 close in 69.79 seconds: 300.63 close/second
 - unlinked 0 (time 1772474487 ; total 0 ; last 0)
 - unlinked 10000 (time 1772474535 ; total 48 ; last 48)
 - unlinked 20000 (time 1772474585 ; total 98 ; last 50)
unlink(/mnt/lustre/d51f.sanity/f20982) error: No such file or directory
total: 20982 unlinks in 104 seconds: 201.750000 unlinks/second