== sanity test 51f: check many open files limit ========== 11:22:21 (1784128941)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021964, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3189 (time 1784128953.37 total 10.00 last 318.79)
 - open/keep 5604 (time 1784128963.38 total 20.01 last 241.28)
 - open/keep 8121 (time 1784128973.38 total 30.01 last 251.66)
 - open/keep 10000 (time 1784128978.60 total 35.24 last 359.82)
 - open/keep 14963 (time 1784128988.60 total 45.24 last 496.22)
 - open/keep 20000 (time 1784128995.94 total 52.57 last 687.02)
 - open/keep 26571 (time 1784129005.94 total 62.57 last 657.09)
 - open/keep 30000 (time 1784129010.14 total 66.78 last 814.96)
 - open/keep 37715 (time 1784129020.14 total 76.78 last 771.48)
 - open/keep 40000 (time 1784129022.74 total 79.38 last 879.60)
 - open/keep 47260 (time 1784129032.74 total 89.38 last 725.98)
 - open/keep 50000 (time 1784129036.52 total 93.15 last 725.04)
 - open/keep 56228 (time 1784129046.52 total 103.16 last 622.74)
 - open/keep 60000 (time 1784129052.30 total 108.93 last 652.96)
 - open/keep 65931 (time 1784129062.30 total 118.93 last 593.09)
total: 66580 open/keep in 120.00 seconds: 554.83 ops/second
 - closed 10000 (time 1784129072.52 total 9.15 last -6114.75)
 - closed 20000 (time 1784129080.23 total 16.86 last 1295.83)
 - closed 30000 (time 1784129088.26 total 24.90 last 1245.09)
 - closed 40000 (time 1784129096.76 total 33.39 last 1177.18)
 - closed 50000 (time 1784129104.44 total 41.07 last 1301.87)
 - closed 60000 (time 1784129112.08 total 48.71 last 1309.08)
total: 66580 close in 53.61 seconds: 1241.99 close/second
 - unlinked 0 (time 1784129118 ; total 0 ; last 0)
 - unlinked 10000 (time 1784129130 ; total 12 ; last 12)
 - unlinked 20000 (time 1784129142 ; total 24 ; last 12)
 - unlinked 30000 (time 1784129154 ; total 36 ; last 12)
 - unlinked 40000 (time 1784129165 ; total 47 ; last 11)
 - unlinked 50000 (time 1784129176 ; total 58 ; last 11)
 - unlinked 60000 (time 1784129187 ; total 69 ; last 11)
unlink(/mnt/lustre/d51f.sanity/f66580) error: No such file or directory
total: 66580 unlinks in 76 seconds: 876.052612 unlinks/second