== sanity test 51f: check many open files limit ========== 02:12:34 (1769757154)
MDT0 numfree=     489062 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1112 (time 1769757168.95 total 10.01 last 111.12)
 - open/keep 2075 (time 1769757178.96 total 20.01 last 96.26)
 - open/keep 3069 (time 1769757188.96 total 30.01 last 99.39)
 - open/keep 4033 (time 1769757198.96 total 40.01 last 96.40)
 - open/keep 5090 (time 1769757208.96 total 50.01 last 105.70)
 - open/keep 5980 (time 1769757218.97 total 60.02 last 88.91)
 - open/keep 7100 (time 1769757228.97 total 70.03 last 111.97)
 - open/keep 8168 (time 1769757238.98 total 80.04 last 106.67)
 - open/keep 9526 (time 1769757248.99 total 90.04 last 135.73)
 - open/keep 10000 (time 1769757253.34 total 94.40 last 108.91)
 - open/keep 11015 (time 1769757263.34 total 104.40 last 101.48)
 - open/keep 12133 (time 1769757273.35 total 114.40 last 111.77)
total: 12709 open/keep in 120.00 seconds: 105.91 ops/second
 - closed 1647 (time 1769757288.95 total 10.00 last -1048.43)
 - closed 3549 (time 1769757298.95 total 20.00 last 190.15)
 - closed 5467 (time 1769757308.95 total 30.01 last 191.77)
 - closed 7955 (time 1769757318.95 total 40.01 last 248.76)
 - closed 10000 (time 1769757328.93 total 49.98 last 205.02)
 - closed 11812 (time 1769757338.93 total 59.98 last 181.15)
total: 12709 close in 65.01 seconds: 195.49 close/second
 - unlinked 0 (time 1769757348 ; total 0 ; last 0)
 - unlinked 10000 (time 1769757432 ; total 84 ; last 84)
unlink(/mnt/lustre/d51f.sanity/f12709) error: No such file or directory
total: 12709 unlinks in 104 seconds: 122.201920 unlinks/second