== sanity test 51f: check many open files limit ========== 05:54:16 (1788515656)
MDT0 numfree=531179, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1101 (time 1788515670.97 total 10.01 last 109.94)
 - open/keep 1958 (time 1788515680.97 total 20.02 last 85.66)
 - open/keep 3037 (time 1788515690.98 total 30.03 last 107.78)
 - open/keep 4183 (time 1788515700.99 total 40.03 last 114.57)
 - open/keep 5370 (time 1788515710.99 total 50.03 last 118.69)
 - open/keep 6672 (time 1788515720.99 total 60.04 last 130.14)
 - open/keep 7859 (time 1788515731.00 total 70.04 last 118.66)
 - open/keep 9019 (time 1788515741.01 total 80.06 last 115.85)
 - open/keep 10000 (time 1788515750.04 total 89.09 last 108.61)
 - open/keep 11010 (time 1788515760.04 total 99.09 last 100.97)
 - open/keep 12007 (time 1788515770.05 total 109.09 last 99.68)
 - open/keep 12861 (time 1788515780.05 total 119.10 last 85.34)
total: 12968 open/keep in 120.01 seconds: 108.06 ops/second
 - closed 1760 (time 1788515790.96 total 10.00 last -1109.72)
 - closed 3553 (time 1788515800.97 total 20.01 last 179.24)
 - closed 5548 (time 1788515810.97 total 30.01 last 199.49)
 - closed 7534 (time 1788515820.97 total 40.01 last 198.55)
 - closed 9582 (time 1788515830.97 total 50.01 last 204.79)
 - closed 10000 (time 1788515833.30 total 52.34 last 179.43)
 - closed 11943 (time 1788515843.30 total 62.34 last 194.29)
total: 12968 close in 67.60 seconds: 191.82 close/second
 - unlinked 0 (time 1788515853 ; total 0 ; last 0)
 - unlinked 10000 (time 1788515936 ; total 83 ; last 83)
unlink(/mnt/lustre/d51f.sanity/f12968) error: No such file or directory
total: 12968 unlinks in 105 seconds: 123.504761 unlinks/second