== sanity test 51f: check many open files limit ========== 18:11:31 (1780524691)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=    1023571, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4618 (time 1780524703.30 total 10.00 last 461.77)
 - open/keep 9259 (time 1780524713.30 total 20.00 last 464.04)
 - open/keep 13195 (time 1780524723.30 total 30.00 last 393.50)
 - open/keep 16459 (time 1780524733.30 total 40.01 last 326.38)
 - open/keep 19918 (time 1780524743.30 total 50.01 last 345.89)
 - open/keep 23932 (time 1780524753.30 total 60.01 last 401.38)
 - open/keep 28958 (time 1780524763.30 total 70.01 last 502.54)
 - open/keep 30000 (time 1780524765.54 total 72.25 last 464.93)
 - open/keep 35059 (time 1780524775.54 total 82.25 last 505.87)
 - open/keep 40000 (time 1780524784.00 total 90.71 last 584.09)
 - open/keep 45224 (time 1780524794.01 total 100.71 last 522.31)
 - open/keep 49815 (time 1780524804.01 total 110.71 last 459.07)
total: 53812 open/keep in 120.00 seconds: 448.43 ops/second
 - closed 8453 (time 1780524823.30 total 10.00 last -4136.05)
 - closed 10000 (time 1780524824.85 total 11.56 last 993.91)
 - closed 17899 (time 1780524834.85 total 21.56 last 789.83)
 - closed 20000 (time 1780524837.35 total 24.05 last 842.57)
 - closed 27608 (time 1780524847.35 total 34.05 last 760.66)
 - closed 30000 (time 1780524849.92 total 36.63 last 929.56)
 - closed 39301 (time 1780524859.92 total 46.63 last 930.05)
 - closed 40000 (time 1780524860.82 total 47.52 last 780.85)
 - closed 48584 (time 1780524870.82 total 57.52 last 858.33)
 - closed 50000 (time 1780524872.60 total 59.30 last 795.80)
total: 53812 close in 64.59 seconds: 833.18 close/second
 - unlinked 0 (time 1780524881 ; total 0 ; last 0)
 - unlinked 10000 (time 1780524902 ; total 21 ; last 21)
 - unlinked 20000 (time 1780524922 ; total 41 ; last 20)
 - unlinked 30000 (time 1780524940 ; total 59 ; last 18)
 - unlinked 40000 (time 1780524959 ; total 78 ; last 19)
 - unlinked 50000 (time 1780524977 ; total 96 ; last 18)
unlink(/mnt/lustre/d51f.sanity/f53812) error: No such file or directory
total: 53812 unlinks in 104 seconds: 517.423096 unlinks/second