== sanity test 51f: check many open files limit ========== 13:18:03 (1774891083)
MDT0 numfree=     491752 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 3617 (time 1774891095.67 total 10.00 last 361.63)
 - open/keep 7541 (time 1774891105.67 total 20.00 last 392.35)
 - open/keep 10000 (time 1774891112.70 total 27.03 last 349.83)
 - open/keep 13254 (time 1774891122.70 total 37.03 last 325.35)
 - open/keep 16066 (time 1774891132.70 total 47.03 last 281.18)
 - open/keep 19124 (time 1774891142.70 total 57.04 last 305.70)
 - open/keep 20000 (time 1774891146.94 total 61.27 last 206.84)
 - open/keep 21963 (time 1774891156.95 total 71.28 last 196.12)
 - open/keep 24299 (time 1774891166.95 total 81.28 last 233.55)
 - open/keep 26782 (time 1774891176.95 total 91.29 last 248.25)
 - open/keep 29601 (time 1774891186.95 total 101.29 last 281.81)
 - open/keep 32145 (time 1774891196.95 total 111.29 last 254.37)
total: 34213 open/keep in 120.00 seconds: 285.11 ops/second
 - closed 6687 (time 1774891215.67 total 10.00 last -2545.36)
 - closed 10000 (time 1774891223.62 total 17.96 last 416.47)
 - closed 13660 (time 1774891233.62 total 27.96 last 365.95)
 - closed 18495 (time 1774891243.62 total 37.96 last 483.47)
 - closed 20000 (time 1774891245.67 total 40.01 last 734.56)
 - closed 25716 (time 1774891255.67 total 50.01 last 571.56)
 - closed 30000 (time 1774891262.65 total 56.99 last 613.83)
total: 34213 close in 64.43 seconds: 530.98 close/second
 - unlinked 0 (time 1774891272 ; total 0 ; last 0)
 - unlinked 10000 (time 1774891296 ; total 24 ; last 24)
 - unlinked 20000 (time 1774891326 ; total 54 ; last 30)
 - unlinked 30000 (time 1774891353 ; total 81 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f34213) error: No such file or directory
total: 34213 unlinks in 91 seconds: 375.967041 unlinks/second