== sanity test 51f: check many open files limit ========== 11:00:13 (1713366013)
MDT0 numfree=496410, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5465 (time 1713366024.64 total 10.00 last 546.48)
 - open/keep 10000 (time 1713366033.84 total 19.20 last 493.09)
 - open/keep 15322 (time 1713366043.84 total 29.20 last 532.19)
 - open/keep 20000 (time 1713366053.02 total 38.37 last 509.88)
 - open/keep 25253 (time 1713366063.02 total 48.37 last 525.19)
 - open/keep 30000 (time 1713366072.37 total 57.73 last 507.44)
 - open/keep 35424 (time 1713366082.37 total 67.73 last 542.32)
 - open/keep 39983 (time 1713366092.37 total 77.73 last 455.88)
 - open/keep 46987 (time 1713366102.37 total 87.73 last 700.36)
 - open/keep 50000 (time 1713366108.05 total 93.40 last 531.32)
 - open/keep 54421 (time 1713366118.05 total 103.40 last 442.00)
 - open/keep 59541 (time 1713366128.05 total 113.41 last 511.99)
total: 64612 open/keep in 120.00 seconds: 538.42 ops/second
 - closed 9558 (time 1713366144.65 total 10.00 last -4998.09)
 - closed 10000 (time 1713366144.99 total 10.35 last 1278.25)
 - closed 18949 (time 1713366154.99 total 20.35 last 894.89)
 - closed 20000 (time 1713366156.30 total 21.65 last 803.70)
 - closed 25936 (time 1713366166.30 total 31.65 last 593.58)
 - closed 30000 (time 1713366170.73 total 36.09 last 916.64)
 - closed 39951 (time 1713366180.73 total 46.09 last 994.95)
 - closed 40000 (time 1713366180.82 total 46.17 last 599.46)
 - closed 47872 (time 1713366190.82 total 56.17 last 787.13)
 - closed 50000 (time 1713366193.96 total 59.31 last 677.87)
 - closed 56744 (time 1713366203.96 total 69.31 last 674.39)
 - closed 60000 (time 1713366208.85 total 74.21 last 664.85)
total: 64612 close in 80.83 seconds: 799.32 close/second
 - unlinked 0 (time 1713366216 ; total 0 ; last 0)
 - unlinked 10000 (time 1713366231 ; total 15 ; last 15)
 - unlinked 20000 (time 1713366246 ; total 30 ; last 15)
 - unlinked 30000 (time 1713366262 ; total 46 ; last 16)
 - unlinked 40000 (time 1713366279 ; total 63 ; last 17)
 - unlinked 50000 (time 1713366297 ; total 81 ; last 18)
 - unlinked 60000 (time 1713366314 ; total 98 ; last 17)
unlink(/mnt/lustre/d51f.sanity/f64612) error: No such file or directory
total: 64612 unlinks in 104 seconds: 621.269226 unlinks/second