== sanity test 51f: check many open files limit ========== 06:27:48 (1787740068)
MDT0 numfree=530776, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1215 (time 1787740083.67 total 10.01 last 121.41)
 - open/keep 2517 (time 1787740093.67 total 20.01 last 130.18)
 - open/keep 3909 (time 1787740103.67 total 30.01 last 139.16)
 - open/keep 5203 (time 1787740113.68 total 40.01 last 129.36)
 - open/keep 6818 (time 1787740123.68 total 50.02 last 161.46)
 - open/keep 8127 (time 1787740133.68 total 60.02 last 130.88)
 - open/keep 9231 (time 1787740143.68 total 70.02 last 110.37)
 - open/keep 10000 (time 1787740149.14 total 75.48 last 140.82)
 - open/keep 11406 (time 1787740159.14 total 85.48 last 140.57)
 - open/keep 12700 (time 1787740169.15 total 95.49 last 129.37)
 - open/keep 14010 (time 1787740179.15 total 105.49 last 130.98)
 - open/keep 15290 (time 1787740189.15 total 115.49 last 127.93)
total: 15840 open/keep in 120.00 seconds: 132.00 ops/second
 - closed 1495 (time 1787740203.80 total 10.14 last -1360.69)
 - closed 3572 (time 1787740213.80 total 20.14 last 207.66)
 - closed 5777 (time 1787740223.80 total 30.14 last 220.48)
 - closed 8108 (time 1787740233.81 total 40.15 last 233.01)
 - closed 10000 (time 1787740243.12 total 49.45 last 203.26)
 - closed 12154 (time 1787740253.12 total 59.45 last 215.37)
 - closed 14428 (time 1787740263.12 total 69.46 last 227.26)
total: 15840 close in 75.80 seconds: 208.97 close/second
 - unlinked 0 (time 1787740273 ; total 0 ; last 0)
 - unlinked 10000 (time 1787740362 ; total 89 ; last 89)
unlink(/mnt/lustre/d51f.sanity/f15840) error: No such file or directory
total: 15840 unlinks in 146 seconds: 108.493149 unlinks/second