== sanity test 51f: check many open files limit ========== 10:19:41 (1789309181)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d51f.sanity
MDT1 numfree=1022003, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1627 (time 1789309194.11 total 10.00 last 162.69)
 - open/keep 3293 (time 1789309204.11 total 20.00 last 166.59)
 - open/keep 5135 (time 1789309214.11 total 30.01 last 184.11)
 - open/keep 6506 (time 1789309224.12 total 40.01 last 137.01)
 - open/keep 7957 (time 1789309234.12 total 50.02 last 145.06)
 - open/keep 9062 (time 1789309244.13 total 60.02 last 110.46)
 - open/keep 10000 (time 1789309251.48 total 67.37 last 127.61)
 - open/keep 11106 (time 1789309261.48 total 77.37 last 110.57)
 - open/keep 12193 (time 1789309271.48 total 87.38 last 108.67)
 - open/keep 13017 (time 1789309281.49 total 97.38 last 82.33)
 - open/keep 13421 (time 1789309291.50 total 107.40 last 40.35)
 - open/keep 13828 (time 1789309301.52 total 117.42 last 40.63)
total: 13928 open/keep in 120.01 seconds: 116.06 ops/second
 - closed 1188 (time 1789309314.11 total 10.00 last -1263.98)
 - closed 2961 (time 1789309324.12 total 20.00 last 177.22)
 - closed 4827 (time 1789309334.12 total 30.01 last 186.58)
 - closed 6254 (time 1789309344.13 total 40.02 last 142.55)
 - closed 7718 (time 1789309354.14 total 50.02 last 146.30)
 - closed 9421 (time 1789309364.14 total 60.02 last 170.26)
 - closed 10000 (time 1789309367.65 total 63.53 last 165.00)
 - closed 11824 (time 1789309377.65 total 73.53 last 182.40)
 - closed 13808 (time 1789309387.65 total 83.54 last 198.37)
total: 13928 close in 84.30 seconds: 165.21 close/second
 - unlinked 0 (time 1789309393 ; total 0 ; last 0)
 - unlinked 10000 (time 1789309462 ; total 69 ; last 69)
unlink(/mnt/lustre/d51f.sanity/f13928) error: No such file or directory
total: 13928 unlinks in 98 seconds: 142.122452 unlinks/second