== sanity test 51f: check many open files limit ========== 02:43:08 (1769758988)
MDT0 numfree=     490810 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2076 (time 1769759000.63 total 10.00 last 207.60)
 - open/keep 4210 (time 1769759010.63 total 20.01 last 213.29)
 - open/keep 6303 (time 1769759020.64 total 30.01 last 209.24)
 - open/keep 8288 (time 1769759030.64 total 40.01 last 198.46)
 - open/keep 10000 (time 1769759038.05 total 47.42 last 231.10)
 - open/keep 12244 (time 1769759048.05 total 57.43 last 224.24)
 - open/keep 14287 (time 1769759058.06 total 67.43 last 204.19)
 - open/keep 16384 (time 1769759068.06 total 77.43 last 209.67)
 - open/keep 18475 (time 1769759078.06 total 87.43 last 209.06)
 - open/keep 20000 (time 1769759085.41 total 94.78 last 207.59)
 - open/keep 22194 (time 1769759095.41 total 104.78 last 219.38)
 - open/keep 24542 (time 1769759105.41 total 114.79 last 234.71)
total: 25679 open/keep in 120.00 seconds: 213.99 ops/second
 - closed 3452 (time 1769759120.63 total 10.00 last -2108.70)
 - closed 6916 (time 1769759130.63 total 20.00 last 346.37)
 - closed 10000 (time 1769759139.10 total 28.48 last 363.96)
 - closed 13752 (time 1769759149.10 total 38.48 last 375.15)
 - closed 16401 (time 1769759159.11 total 48.48 last 264.70)
 - closed 20000 (time 1769759168.47 total 57.84 last 384.63)
 - closed 23416 (time 1769759178.47 total 67.84 last 341.58)
total: 25679 close in 74.51 seconds: 344.62 close/second
 - unlinked 0 (time 1769759187 ; total 0 ; last 0)
 - unlinked 10000 (time 1769759227 ; total 40 ; last 40)
 - unlinked 20000 (time 1769759267 ; total 80 ; last 40)
unlink(/mnt/lustre/d51f.sanity/f25679) error: No such file or directory
total: 25679 unlinks in 103 seconds: 249.310684 unlinks/second