== sanity test 51f: check many open files limit ========== 09:39:08 (1787837948)
MDT0 numfree=     528757, max=100000
changed ulimit from 1024 to 100020
 - open/keep 838 (time 1787837964.41 total 10.00 last 83.76)
 - open/keep 1768 (time 1787837974.42 total 20.01 last 92.90)
 - open/keep 2869 (time 1787837984.42 total 30.02 last 110.04)
 - open/keep 3898 (time 1787837994.42 total 40.02 last 102.89)
 - open/keep 4944 (time 1787838004.43 total 50.03 last 104.56)
 - open/keep 5863 (time 1787838014.43 total 60.03 last 91.85)
 - open/keep 6920 (time 1787838024.44 total 70.04 last 105.56)
 - open/keep 7886 (time 1787838034.45 total 80.05 last 96.53)
 - open/keep 8961 (time 1787838044.46 total 90.06 last 107.45)
 - open/keep 10000 (time 1787838054.06 total 99.65 last 108.23)
 - open/keep 11162 (time 1787838064.06 total 109.66 last 116.12)
 - open/keep 12302 (time 1787838074.07 total 119.67 last 113.88)
total: 12336 open/keep in 120.00 seconds: 102.80 ops/second
 - closed 1807 (time 1787838084.41 total 10.00 last -1049.39)
 - closed 3718 (time 1787838094.41 total 20.01 last 190.99)
 - closed 5638 (time 1787838104.42 total 30.01 last 191.93)
 - closed 7588 (time 1787838114.42 total 40.01 last 194.91)
 - closed 9656 (time 1787838124.42 total 50.02 last 206.71)
 - closed 10000 (time 1787838126.29 total 51.88 last 184.56)
 - closed 12002 (time 1787838136.29 total 61.89 last 200.11)
total: 12336 close in 64.20 seconds: 192.15 close/second
 - unlinked 0 (time 1787838143 ; total 0 ; last 0)
 - unlinked 10000 (time 1787838234 ; total 91 ; last 91)
unlink(/mnt/lustre/d51f.sanity/f12336) error: No such file or directory
total: 12336 unlinks in 112 seconds: 110.142860 unlinks/second