== sanity test 51f: check many open files limit ========== 01:17:43 (1783142263)
MDT0 numfree=     531479, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1303 (time 1783142277.33 total 10.00 last 130.23)
 - open/keep 2735 (time 1783142287.33 total 20.01 last 143.16)
 - open/keep 3991 (time 1783142297.33 total 30.01 last 125.56)
 - open/keep 5341 (time 1783142307.34 total 40.02 last 134.95)
 - open/keep 6637 (time 1783142317.34 total 50.02 last 129.55)
 - open/keep 8015 (time 1783142327.36 total 60.04 last 137.57)
 - open/keep 9319 (time 1783142337.36 total 70.04 last 130.37)
 - open/keep 10000 (time 1783142342.82 total 75.49 last 124.80)
 - open/keep 11278 (time 1783142352.82 total 85.49 last 127.79)
 - open/keep 12452 (time 1783142362.82 total 95.50 last 117.32)
 - open/keep 13668 (time 1783142372.83 total 105.51 last 121.51)
 - open/keep 15069 (time 1783142382.83 total 115.51 last 140.04)
total: 15646 open/keep in 120.01 seconds: 130.38 ops/second
 - closed 2372 (time 1783142397.33 total 10.00 last -1269.10)
 - closed 4651 (time 1783142407.34 total 20.01 last 227.81)
 - closed 6838 (time 1783142417.34 total 30.01 last 218.70)
 - closed 9146 (time 1783142427.34 total 40.01 last 230.80)
 - closed 10000 (time 1783142430.59 total 43.26 last 262.29)
 - closed 12473 (time 1783142440.60 total 53.27 last 247.19)
 - closed 14885 (time 1783142450.60 total 63.27 last 241.16)
total: 15646 close in 66.57 seconds: 235.03 close/second
 - unlinked 0 (time 1783142457 ; total 0 ; last 0)
 - unlinked 10000 (time 1783142529 ; total 72 ; last 72)
unlink(/mnt/lustre/d51f.sanity/f15646) error: No such file or directory
total: 15646 unlinks in 112 seconds: 139.696426 unlinks/second