== sanity test 51f: check many open files limit ========== 18:18:14 (1780525094)
ulimit_old=1024 numfree=     526493, max=100000
changed ulimit from 1024 to 100100
 - open/keep 2736 (time 1780525105.96 total 10.00 last 273.58)
 - open/keep 5842 (time 1780525115.96 total 20.00 last 310.48)
 - open/keep 8993 (time 1780525125.96 total 30.01 last 315.07)
 - open/keep 10000 (time 1780525129.64 total 33.68 last 273.71)
 - open/keep 12759 (time 1780525139.64 total 43.69 last 275.89)
 - open/keep 15265 (time 1780525149.65 total 53.69 last 250.53)
 - open/keep 17950 (time 1780525159.65 total 63.69 last 268.45)
 - open/keep 20000 (time 1780525166.44 total 70.49 last 301.63)
 - open/keep 22883 (time 1780525176.45 total 80.49 last 288.22)
 - open/keep 25574 (time 1780525186.45 total 90.49 last 269.09)
 - open/keep 28155 (time 1780525196.45 total 100.50 last 257.91)
 - open/keep 30000 (time 1780525203.30 total 107.34 last 269.55)
 - open/keep 32817 (time 1780525213.30 total 117.34 last 281.62)
total: 33586 open/keep in 120.00 seconds: 279.88 ops/second
 - closed 4837 (time 1780525225.96 total 10.00 last -2797.59)
 - closed 10000 (time 1780525235.40 total 19.44 last 547.25)
 - closed 15166 (time 1780525245.40 total 29.44 last 516.52)
 - closed 19587 (time 1780525255.40 total 39.44 last 442.07)
 - closed 20000 (time 1780525256.29 total 40.33 last 461.15)
 - closed 24312 (time 1780525266.30 total 50.34 last 431.11)
 - closed 29078 (time 1780525276.30 total 60.34 last 476.55)
 - closed 30000 (time 1780525278.36 total 62.40 last 446.50)
total: 33586 close in 69.95 seconds: 480.14 close/second
 - unlinked 0 (time 1780525289 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525322 ; total 33 ; last 33)
 - unlinked 20000 (time 1780525350 ; total 61 ; last 28)
 - unlinked 30000 (time 1780525377 ; total 88 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f33586) error: No such file or directory
total: 33586 unlinks in 100 seconds: 335.859985 unlinks/second