== sanity test 51f: check many open files limit ========== 10:54:03 (1779980043)
MDT0 numfree=     491752 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 935 (time 1779980059.56 total 10.02 last 93.35)
 - open/keep 1777 (time 1779980069.56 total 20.02 last 84.17)
 - open/keep 2757 (time 1779980079.56 total 30.02 last 98.00)
 - open/keep 3742 (time 1779980089.58 total 40.03 last 98.35)
 - open/keep 4884 (time 1779980099.58 total 50.04 last 114.14)
 - open/keep 6214 (time 1779980109.59 total 60.04 last 132.95)
 - open/keep 7480 (time 1779980119.59 total 70.04 last 126.60)
 - open/keep 8610 (time 1779980129.59 total 80.05 last 112.92)
 - open/keep 9935 (time 1779980139.59 total 90.05 last 132.49)
 - open/keep 11253 (time 1779980149.60 total 100.06 last 131.74)
 - open/keep 12416 (time 1779980159.60 total 110.06 last 116.25)
total: 13608 open/keep in 120.00 seconds: 113.40 ops/second
 - closed 2156 (time 1779980179.55 total 10.00 last -1025.74)
 - closed 4418 (time 1779980189.55 total 20.00 last 226.17)
 - closed 6632 (time 1779980199.56 total 30.01 last 221.19)
 - closed 8647 (time 1779980209.57 total 40.02 last 201.29)
 - closed 10000 (time 1779980215.24 total 45.70 last 238.42)
 - closed 12446 (time 1779980225.24 total 55.70 last 244.58)
total: 13608 close in 60.21 seconds: 226.03 close/second
 - unlinked 0 (time 1779980233 ; total 0 ; last 0)
 - unlinked 10000 (time 1779980302 ; total 69 ; last 69)
unlink(/mnt/lustre/d51f.sanity/f13608) error: No such file or directory
total: 13608 unlinks in 95 seconds: 143.242111 unlinks/second