== sanity test 51f: check many open files limit ========== 02:13:34 (1781244814)
MDT0 numfree=    1022845, max=100000
changed ulimit from 1024 to 100020
 - open/keep 975 (time 1781244829.42 total 10.00 last 97.47)
 - open/keep 1949 (time 1781244839.42 total 20.01 last 97.38)
 - open/keep 2993 (time 1781244849.42 total 30.01 last 104.35)
 - open/keep 4016 (time 1781244859.43 total 40.01 last 102.29)
 - open/keep 5114 (time 1781244869.43 total 50.01 last 109.78)
 - open/keep 6244 (time 1781244879.43 total 60.01 last 112.97)
 - open/keep 7225 (time 1781244889.43 total 70.02 last 98.10)
 - open/keep 8195 (time 1781244899.44 total 80.02 last 96.95)
 - open/keep 9157 (time 1781244909.44 total 90.03 last 96.14)
 - open/keep 10000 (time 1781244917.84 total 98.43 last 100.35)
 - open/keep 11072 (time 1781244927.85 total 108.43 last 107.16)
 - open/keep 12161 (time 1781244937.85 total 118.44 last 108.80)
total: 12317 open/keep in 120.00 seconds: 102.64 ops/second
 - closed 1781 (time 1781244949.42 total 10.00 last -1037.97)
 - closed 3552 (time 1781244959.42 total 20.00 last 177.08)
 - closed 5004 (time 1781244969.42 total 30.00 last 145.16)
 - closed 6203 (time 1781244979.42 total 40.01 last 119.89)
 - closed 7615 (time 1781244989.42 total 50.01 last 141.17)
 - closed 9330 (time 1781244999.43 total 60.02 last 171.37)
 - closed 10000 (time 1781245003.04 total 63.63 last 185.47)
 - closed 11750 (time 1781245013.05 total 73.63 last 174.92)
total: 12317 close in 77.28 seconds: 159.39 close/second
 - unlinked 0 (time 1781245021 ; total 0 ; last 0)
 - unlinked 10000 (time 1781245117 ; total 96 ; last 96)
unlink(/mnt/lustre/d51f.sanity/f12317) error: No such file or directory
total: 12317 unlinks in 117 seconds: 105.273506 unlinks/second