== sanity test 51f: check many open files limit ========== 10:12:52 (1782223972)
MDT0 numfree=     531449, max=100000
changed ulimit from 1024 to 100020
 - open/keep 843 (time 1782223988.38 total 10.01 last 84.24)
 - open/keep 1693 (time 1782223998.39 total 20.01 last 84.95)
 - open/keep 2704 (time 1782224008.39 total 30.02 last 101.06)
 - open/keep 3683 (time 1782224018.39 total 40.02 last 97.87)
 - open/keep 4606 (time 1782224028.40 total 50.03 last 92.24)
 - open/keep 5577 (time 1782224038.41 total 60.03 last 97.02)
 - open/keep 6521 (time 1782224048.41 total 70.04 last 94.34)
 - open/keep 7574 (time 1782224058.42 total 80.05 last 105.24)
 - open/keep 8602 (time 1782224068.42 total 90.05 last 102.76)
 - open/keep 9656 (time 1782224078.43 total 100.05 last 105.37)
 - open/keep 10000 (time 1782224081.63 total 103.25 last 107.53)
 - open/keep 10898 (time 1782224091.64 total 113.26 last 89.70)
total: 11467 open/keep in 120.05 seconds: 95.52 ops/second
 - closed 1766 (time 1782224108.43 total 10.00 last -912.99)
 - closed 3300 (time 1782224118.44 total 20.02 last 153.12)
 - closed 5076 (time 1782224128.45 total 30.02 last 177.56)
 - closed 6753 (time 1782224138.45 total 40.02 last 167.67)
 - closed 8525 (time 1782224148.45 total 50.03 last 177.18)
 - closed 10000 (time 1782224156.58 total 58.16 last 181.35)
total: 11467 close in 66.47 seconds: 172.52 close/second
 - unlinked 0 (time 1782224169 ; total 0 ; last 0)
 - unlinked 10000 (time 1782224261 ; total 92 ; last 92)
unlink(/mnt/lustre/d51f.sanity/f11467) error: No such file or directory
total: 11467 unlinks in 107 seconds: 107.168221 unlinks/second