== sanity test 51f: check many open files limit ========== 20:05:26 (1787702726)
MDT0 numfree=     525796, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1277 (time 1787702740.70 total 10.00 last 127.68)
 - open/keep 2188 (time 1787702750.70 total 20.00 last 91.07)
 - open/keep 3139 (time 1787702760.71 total 30.02 last 94.99)
 - open/keep 4021 (time 1787702770.71 total 40.02 last 88.17)
 - open/keep 5246 (time 1787702780.71 total 50.02 last 122.50)
 - open/keep 6513 (time 1787702790.72 total 60.02 last 126.64)
 - open/keep 7735 (time 1787702800.73 total 70.03 last 122.09)
 - open/keep 8909 (time 1787702810.74 total 80.04 last 117.28)
 - open/keep 10000 (time 1787702820.00 total 89.31 last 117.77)
 - open/keep 11187 (time 1787702830.01 total 99.31 last 118.64)
 - open/keep 12388 (time 1787702840.01 total 109.31 last 120.09)
 - open/keep 13530 (time 1787702850.01 total 119.32 last 114.14)
total: 13622 open/keep in 120.00 seconds: 113.51 ops/second
 - closed 1869 (time 1787702860.70 total 10.00 last -1165.93)
 - closed 4000 (time 1787702870.70 total 20.01 last 212.99)
 - closed 6210 (time 1787702880.71 total 30.01 last 220.89)
 - closed 8435 (time 1787702890.72 total 40.02 last 222.36)
 - closed 10000 (time 1787702898.67 total 47.97 last 196.72)
 - closed 11975 (time 1787702908.67 total 57.97 last 197.49)
total: 13622 close in 66.29 seconds: 205.50 close/second
 - unlinked 0 (time 1787702921 ; total 0 ; last 0)
 - unlinked 10000 (time 1787703004 ; total 83 ; last 83)
unlink(/mnt/lustre/d51f.sanity/f13622) error: No such file or directory
total: 13622 unlinks in 114 seconds: 119.491226 unlinks/second