== sanity test 51f: check many open files limit ========== 16:34:38 (1783974878)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021964, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1364 (time 1783974893.23 total 10.00 last 136.37)
 - open/keep 2692 (time 1783974903.25 total 20.02 last 132.53)
 - open/keep 3849 (time 1783974913.25 total 30.03 last 115.64)
 - open/keep 5063 (time 1783974923.25 total 40.03 last 121.38)
 - open/keep 6208 (time 1783974933.26 total 50.03 last 114.44)
 - open/keep 7400 (time 1783974943.26 total 60.04 last 119.19)
 - open/keep 8447 (time 1783974953.26 total 70.04 last 104.70)
 - open/keep 9430 (time 1783974963.27 total 80.04 last 98.21)
 - open/keep 10000 (time 1783974968.52 total 85.30 last 108.54)
 - open/keep 11097 (time 1783974978.53 total 95.30 last 109.62)
 - open/keep 12126 (time 1783974988.53 total 105.31 last 102.83)
 - open/keep 13290 (time 1783974998.54 total 115.31 last 116.37)
total: 13869 open/keep in 120.00 seconds: 115.57 ops/second
 - closed 1916 (time 1783975013.23 total 10.00 last -1137.24)
 - closed 3518 (time 1783975023.23 total 20.00 last 160.18)
 - closed 5300 (time 1783975033.23 total 30.01 last 178.09)
 - closed 7114 (time 1783975043.24 total 40.01 last 181.37)
 - closed 8974 (time 1783975053.24 total 50.01 last 185.96)
 - closed 10000 (time 1783975059.15 total 55.92 last 173.55)
 - closed 11670 (time 1783975069.15 total 65.93 last 166.99)
 - closed 13564 (time 1783975079.15 total 75.93 last 189.38)
total: 13869 close in 77.17 seconds: 179.71 close/second
 - unlinked 0 (time 1783975085 ; total 0 ; last 0)
 - unlinked 10000 (time 1783975168 ; total 83 ; last 83)
unlink(/mnt/lustre/d51f.sanity/f13869) error: No such file or directory
total: 13869 unlinks in 113 seconds: 122.734512 unlinks/second