== sanity test 51f: check many open files limit ========== 16:02:18 (1788206538)
MDT0 numfree=     533467, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1132 (time 1788206553.22 total 10.01 last 113.04)
 - open/keep 2244 (time 1788206563.23 total 20.02 last 111.09)
 - open/keep 3247 (time 1788206573.23 total 30.02 last 100.29)
 - open/keep 4210 (time 1788206583.23 total 40.02 last 96.30)
 - open/keep 5472 (time 1788206593.24 total 50.03 last 126.15)
 - open/keep 6645 (time 1788206603.24 total 60.03 last 117.27)
 - open/keep 7784 (time 1788206613.25 total 70.04 last 113.75)
 - open/keep 8963 (time 1788206623.26 total 80.05 last 117.82)
 - open/keep 10000 (time 1788206632.12 total 88.91 last 117.08)
 - open/keep 11177 (time 1788206642.12 total 98.91 last 117.68)
 - open/keep 12305 (time 1788206652.13 total 108.93 last 112.61)
 - open/keep 13506 (time 1788206662.14 total 118.93 last 120.02)
total: 13656 open/keep in 120.00 seconds: 113.80 ops/second
 - closed 2183 (time 1788206673.21 total 10.00 last -1132.08)
 - closed 4500 (time 1788206683.22 total 20.00 last 231.67)
 - closed 6516 (time 1788206693.22 total 30.01 last 201.57)
 - closed 8517 (time 1788206703.22 total 40.01 last 200.09)
 - closed 10000 (time 1788206710.95 total 47.74 last 191.84)
 - closed 12001 (time 1788206720.95 total 57.74 last 200.04)
total: 13656 close in 64.81 seconds: 210.71 close/second
 - unlinked 0 (time 1788206732 ; total 0 ; last 0)
 - unlinked 10000 (time 1788206812 ; total 80 ; last 80)
unlink(/mnt/lustre/d51f.sanity/f13656) error: No such file or directory
total: 13656 unlinks in 110 seconds: 124.145454 unlinks/second