== sanity test 51f: check many open files limit ========== 14:23:10 (1780856590)
MDT0 numfree=     529430, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1671 (time 1780856602.42 total 10.00 last 167.02)
 - open/keep 3248 (time 1780856612.42 total 20.01 last 157.65)
 - open/keep 5017 (time 1780856622.43 total 30.01 last 176.86)
 - open/keep 7027 (time 1780856632.43 total 40.01 last 201.00)
 - open/keep 9042 (time 1780856642.43 total 50.01 last 201.49)
 - open/keep 10000 (time 1780856647.10 total 54.68 last 204.98)
 - open/keep 11955 (time 1780856657.10 total 64.69 last 195.44)
 - open/keep 13794 (time 1780856667.10 total 74.69 last 183.89)
 - open/keep 15963 (time 1780856677.11 total 84.69 last 216.84)
 - open/keep 18054 (time 1780856687.11 total 94.69 last 209.07)
 - open/keep 20000 (time 1780856695.80 total 103.39 last 223.86)
 - open/keep 22065 (time 1780856705.81 total 113.39 last 206.38)
total: 23340 open/keep in 120.00 seconds: 194.50 ops/second
 - closed 3550 (time 1780856722.42 total 10.00 last -1850.62)
 - closed 6780 (time 1780856732.43 total 20.01 last 322.92)
 - closed 9906 (time 1780856742.43 total 30.01 last 312.48)
 - closed 10000 (time 1780856742.73 total 30.31 last 314.82)
 - closed 13514 (time 1780856752.73 total 40.31 last 351.39)
 - closed 16514 (time 1780856762.73 total 50.31 last 299.90)
 - closed 20000 (time 1780856772.48 total 60.06 last 357.49)
total: 23340 close in 68.50 seconds: 340.75 close/second
 - unlinked 0 (time 1780856783 ; total 0 ; last 0)
 - unlinked 10000 (time 1780856826 ; total 43 ; last 43)
 - unlinked 20000 (time 1780856864 ; total 81 ; last 38)
unlink(/mnt/lustre/d51f.sanity/f23340) error: No such file or directory
total: 23340 unlinks in 95 seconds: 245.684204 unlinks/second