== sanity test 51f: check many open files limit ========== 16:59:01 (1768255141)
MDT0 numfree=     494038 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1499 (time 1768255155.12 total 10.01 last 149.73)
 - open/keep 2903 (time 1768255165.13 total 20.02 last 140.30)
 - open/keep 4341 (time 1768255175.14 total 30.02 last 143.73)
 - open/keep 5818 (time 1768255185.14 total 40.03 last 147.62)
 - open/keep 7096 (time 1768255195.15 total 50.04 last 127.70)
 - open/keep 8222 (time 1768255205.15 total 60.04 last 112.54)
 - open/keep 9614 (time 1768255215.16 total 70.05 last 139.06)
 - open/keep 10000 (time 1768255218.58 total 73.47 last 112.85)
 - open/keep 11216 (time 1768255228.60 total 83.49 last 121.43)
 - open/keep 12475 (time 1768255238.60 total 93.49 last 125.90)
 - open/keep 13721 (time 1768255248.60 total 103.49 last 124.54)
 - open/keep 14939 (time 1768255258.61 total 113.50 last 121.73)
total: 15842 open/keep in 120.00 seconds: 132.02 ops/second
 - closed 2134 (time 1768255275.12 total 10.00 last -1280.07)
 - closed 4588 (time 1768255285.12 total 20.01 last 245.32)
 - closed 7001 (time 1768255295.12 total 30.01 last 241.24)
 - closed 9508 (time 1768255305.12 total 40.01 last 250.67)
 - closed 10000 (time 1768255307.06 total 41.95 last 253.75)
 - closed 12181 (time 1768255317.06 total 51.95 last 218.07)
 - closed 14095 (time 1768255327.07 total 61.95 last 191.38)
total: 15842 close in 70.20 seconds: 225.67 close/second
 - unlinked 0 (time 1768255339 ; total 0 ; last 0)
 - unlinked 10000 (time 1768255413 ; total 74 ; last 74)
unlink(/mnt/lustre/d51f.sanity/f15842) error: No such file or directory
total: 15842 unlinks in 111 seconds: 142.720718 unlinks/second