== sanity test 51f: check many open files limit ========== 07:47:03 (1786967223)
MDT0 numfree=     525393, max=100000
changed ulimit from 1024 to 100020
 - open/keep 976 (time 1786967239.56 total 10.00 last 97.59)
 - open/keep 1951 (time 1786967249.57 total 20.00 last 97.47)
 - open/keep 2991 (time 1786967259.57 total 30.01 last 103.93)
 - open/keep 3891 (time 1786967269.60 total 40.04 last 89.74)
 - open/keep 4816 (time 1786967279.61 total 50.05 last 92.44)
 - open/keep 5727 (time 1786967289.62 total 60.06 last 90.98)
 - open/keep 6676 (time 1786967299.62 total 70.06 last 94.87)
 - open/keep 7606 (time 1786967309.63 total 80.07 last 92.97)
 - open/keep 8555 (time 1786967319.63 total 90.07 last 94.88)
 - open/keep 9588 (time 1786967329.63 total 100.07 last 103.28)
 - open/keep 10000 (time 1786967333.81 total 104.25 last 98.65)
 - open/keep 10994 (time 1786967343.82 total 114.25 last 99.32)
total: 11565 open/keep in 120.00 seconds: 96.37 ops/second
 - closed 1661 (time 1786967359.57 total 10.00 last -932.98)
 - closed 3158 (time 1786967369.57 total 20.01 last 149.59)
 - closed 4549 (time 1786967379.59 total 30.03 last 138.89)
 - closed 6153 (time 1786967389.60 total 40.04 last 160.24)
 - closed 7727 (time 1786967399.60 total 50.04 last 157.33)
 - closed 9303 (time 1786967409.61 total 60.05 last 157.45)
 - closed 10000 (time 1786967414.42 total 64.85 last 145.16)
 - closed 11395 (time 1786967424.43 total 74.86 last 139.35)
total: 11565 close in 76.18 seconds: 151.82 close/second
 - unlinked 0 (time 1786967430 ; total 0 ; last 0)
 - unlinked 10000 (time 1786967540 ; total 110 ; last 110)
unlink(/mnt/lustre/d51f.sanity/f11565) error: No such file or directory
total: 11565 unlinks in 128 seconds: 90.351562 unlinks/second