== sanity test 51f: check many open files limit ========== 04:42:22 (1747212142)
MDT0 numfree=492722, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2082 (time 1747212155.63 total 10.00 last 208.19)
 - open/keep 4144 (time 1747212165.63 total 20.00 last 206.18)
 - open/keep 6056 (time 1747212175.64 total 30.00 last 191.16)
 - open/keep 8040 (time 1747212185.64 total 40.01 last 198.33)
 - open/keep 10000 (time 1747212195.23 total 49.60 last 204.39)
 - open/keep 11939 (time 1747212205.23 total 59.60 last 193.86)
 - open/keep 14025 (time 1747212215.23 total 69.60 last 208.56)
 - open/keep 16039 (time 1747212225.24 total 79.61 last 201.25)
 - open/keep 17971 (time 1747212235.24 total 89.61 last 193.15)
 - open/keep 19871 (time 1747212245.25 total 99.61 last 189.97)
 - open/keep 21771 (time 1747212255.25 total 109.61 last 189.97)
 - open/keep 23737 (time 1747212265.25 total 119.62 last 196.57)
total: 23821 open/keep in 120.01 seconds: 198.50 ops/second
 - closed 3806 (time 1747212275.64 total 10.00 last -1992.83)
 - closed 7540 (time 1747212285.64 total 20.01 last 373.24)
 - closed 10000 (time 1747212292.42 total 26.78 last 363.18)
 - closed 14057 (time 1747212302.42 total 36.78 last 405.63)
 - closed 17558 (time 1747212312.42 total 46.78 last 350.10)
 - closed 20000 (time 1747212318.74 total 53.10 last 386.51)
 - closed 23366 (time 1747212328.74 total 63.10 last 336.50)
total: 23821 close in 64.70 seconds: 368.20 close/second
 - unlinked 0 (time 1747212332 ; total 0 ; last 0)
 - unlinked 10000 (time 1747212383 ; total 51 ; last 51)
 - unlinked 20000 (time 1747212429 ; total 97 ; last 46)
unlink(/mnt/lustre/d51f.sanity/f23821) error: No such file or directory
total: 23821 unlinks in 116 seconds: 205.353455 unlinks/second