== sanity test 51f: check many open files limit ========== 01:52:35 (1781243555)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d51f.sanity
MDT1 numfree=    1022019, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1703 (time 1781243568.28 total 10.01 last 170.20)
 - open/keep 3464 (time 1781243578.28 total 20.01 last 176.06)
 - open/keep 5147 (time 1781243588.29 total 30.01 last 168.22)
 - open/keep 6844 (time 1781243598.29 total 40.02 last 169.56)
 - open/keep 8562 (time 1781243608.30 total 50.03 last 171.73)
 - open/keep 10000 (time 1781243615.91 total 57.63 last 189.02)
 - open/keep 11807 (time 1781243625.91 total 67.64 last 180.55)
 - open/keep 13734 (time 1781243635.91 total 77.64 last 192.69)
 - open/keep 15709 (time 1781243645.92 total 87.64 last 197.44)
 - open/keep 17636 (time 1781243655.92 total 97.65 last 192.66)
 - open/keep 19423 (time 1781243665.92 total 107.65 last 178.66)
 - open/keep 20000 (time 1781243669.15 total 110.88 last 178.56)
total: 21673 open/keep in 120.00 seconds: 180.60 ops/second
 - closed 2982 (time 1781243688.29 total 10.01 last -1700.21)
 - closed 5862 (time 1781243698.29 total 20.01 last 287.95)
 - closed 9206 (time 1781243708.29 total 30.01 last 334.35)
 - closed 10000 (time 1781243711.22 total 32.94 last 270.80)
 - closed 11790 (time 1781243721.22 total 42.95 last 178.96)
 - closed 13664 (time 1781243731.22 total 52.95 last 187.38)
 - closed 15250 (time 1781243741.25 total 62.97 last 158.18)
 - closed 16922 (time 1781243751.25 total 72.98 last 167.18)
 - closed 18834 (time 1781243761.25 total 82.98 last 191.14)
 - closed 20000 (time 1781243767.03 total 88.76 last 201.79)
total: 21673 close in 95.51 seconds: 226.92 close/second
 - unlinked 0 (time 1781243778 ; total 0 ; last 0)
 - unlinked 10000 (time 1781243843 ; total 65 ; last 65)
 - unlinked 20000 (time 1781243905 ; total 127 ; last 62)
unlink(/mnt/lustre/d51f.sanity/f21673) error: No such file or directory
total: 21673 unlinks in 138 seconds: 157.050720 unlinks/second