== sanity test 51f: check many open files limit ========== 06:46:51 (1781002011)
MDT0 numfree=     535217, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1262 (time 1781002026.47 total 10.00 last 126.20)
 - open/keep 2607 (time 1781002036.47 total 20.01 last 134.39)
 - open/keep 3966 (time 1781002046.49 total 30.02 last 135.69)
 - open/keep 5259 (time 1781002056.49 total 40.03 last 129.24)
 - open/keep 6632 (time 1781002066.51 total 50.04 last 137.10)
 - open/keep 7785 (time 1781002076.51 total 60.04 last 115.30)
 - open/keep 8904 (time 1781002086.51 total 70.05 last 111.84)
 - open/keep 10000 (time 1781002094.24 total 77.77 last 141.91)
 - open/keep 11198 (time 1781002104.25 total 87.78 last 119.68)
 - open/keep 12320 (time 1781002114.26 total 97.79 last 112.06)
 - open/keep 13725 (time 1781002124.26 total 107.79 last 140.49)
 - open/keep 15319 (time 1781002134.28 total 117.81 last 159.17)
total: 15631 open/keep in 120.01 seconds: 130.25 ops/second
 - closed 2830 (time 1781002146.47 total 10.00 last -1248.65)
 - closed 5304 (time 1781002156.48 total 20.00 last 247.34)
 - closed 7821 (time 1781002166.48 total 30.00 last 251.69)
 - closed 9992 (time 1781002176.48 total 40.01 last 216.93)
 - closed 10000 (time 1781002176.51 total 40.04 last 262.72)
 - closed 12441 (time 1781002186.52 total 50.05 last 244.04)
 - closed 14936 (time 1781002196.52 total 60.05 last 249.42)
total: 15631 close in 62.57 seconds: 249.81 close/second
 - unlinked 0 (time 1781002202 ; total 0 ; last 0)
 - unlinked 10000 (time 1781002280 ; total 78 ; last 78)
unlink(/mnt/lustre/d51f.sanity/f15631) error: No such file or directory
total: 15631 unlinks in 120 seconds: 130.258331 unlinks/second