== sanity test 51f: check many open files limit ========== 20:26:38 (1786753598)
MDT0 numfree=     526065, max=100000
changed ulimit from 1024 to 100020
 - open/keep 888 (time 1786753612.95 total 10.03 last 88.57)
 - open/keep 1850 (time 1786753622.96 total 20.03 last 96.15)
 - open/keep 2945 (time 1786753632.96 total 30.04 last 109.43)
 - open/keep 3997 (time 1786753642.96 total 40.04 last 105.19)
 - open/keep 5063 (time 1786753652.97 total 50.05 last 106.52)
 - open/keep 6202 (time 1786753662.97 total 60.05 last 113.87)
 - open/keep 7504 (time 1786753672.98 total 70.05 last 130.14)
 - open/keep 8566 (time 1786753682.98 total 80.06 last 106.15)
 - open/keep 9519 (time 1786753692.98 total 90.06 last 95.29)
 - open/keep 10000 (time 1786753697.52 total 94.59 last 106.02)
 - open/keep 11107 (time 1786753707.53 total 104.60 last 110.66)
 - open/keep 12132 (time 1786753717.53 total 114.60 last 102.44)
total: 12690 open/keep in 120.00 seconds: 105.75 ops/second
 - closed 1761 (time 1786753732.94 total 10.01 last -1035.61)
 - closed 3469 (time 1786753742.94 total 20.01 last 170.79)
 - closed 5498 (time 1786753752.95 total 30.02 last 202.81)
 - closed 7136 (time 1786753762.95 total 40.02 last 163.75)
 - closed 8568 (time 1786753772.95 total 50.02 last 143.19)
 - closed 10000 (time 1786753778.72 total 55.79 last 248.14)
 - closed 12111 (time 1786753788.72 total 65.80 last 211.08)
total: 12690 close in 69.37 seconds: 182.93 close/second
 - unlinked 0 (time 1786753798 ; total 0 ; last 0)
 - unlinked 10000 (time 1786753876 ; total 78 ; last 78)
unlink(/mnt/lustre/d51f.sanity/f12690) error: No such file or directory
total: 12690 unlinks in 98 seconds: 129.489792 unlinks/second