== sanity test 51f: check many open files limit ========== 17:41:21 (1781214081)
MDT0 numfree=     528353, max=100000
changed ulimit from 1024 to 100020
 - open/keep 927 (time 1781214096.21 total 10.00 last 92.69)
 - open/keep 1855 (time 1781214106.24 total 20.02 last 92.58)
 - open/keep 2858 (time 1781214116.25 total 30.04 last 100.20)
 - open/keep 3759 (time 1781214126.25 total 40.04 last 90.06)
 - open/keep 4742 (time 1781214136.26 total 50.04 last 98.27)
 - open/keep 5768 (time 1781214146.26 total 60.05 last 102.52)
 - open/keep 6709 (time 1781214156.28 total 70.07 last 93.96)
 - open/keep 7475 (time 1781214166.29 total 80.08 last 76.49)
 - open/keep 8012 (time 1781214176.30 total 90.09 last 53.67)
 - open/keep 8500 (time 1781214186.30 total 100.09 last 48.79)
 - open/keep 9155 (time 1781214196.31 total 110.10 last 65.45)
total: 9938 open/keep in 120.00 seconds: 82.81 ops/second
 - closed 1364 (time 1781214216.22 total 10.00 last -779.10)
 - closed 2873 (time 1781214226.22 total 20.01 last 150.81)
 - closed 4468 (time 1781214236.23 total 30.01 last 159.41)
 - closed 6080 (time 1781214246.23 total 40.02 last 161.14)
 - closed 7377 (time 1781214256.24 total 50.03 last 129.58)
 - closed 8738 (time 1781214266.24 total 60.03 last 136.09)
total: 9938 close in 68.63 seconds: 144.81 close/second
 - unlinked 0 (time 1781214279 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9938) error: No such file or directory
total: 9938 unlinks in 123 seconds: 80.796745 unlinks/second