== sanity test 51f: check many open files limit ========== 12:58:40 (1786467520)
MDT0 numfree=     538343, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2095 (time 1786467533.32 total 10.00 last 209.42)
 - open/keep 4076 (time 1786467543.32 total 20.01 last 198.05)
 - open/keep 6289 (time 1786467553.32 total 30.01 last 221.25)
 - open/keep 8722 (time 1786467563.33 total 40.01 last 243.24)
 - open/keep 10000 (time 1786467568.68 total 45.36 last 238.69)
 - open/keep 12553 (time 1786467578.68 total 55.37 last 255.25)
 - open/keep 14904 (time 1786467588.69 total 65.37 last 235.05)
 - open/keep 17300 (time 1786467598.69 total 75.37 last 239.59)
 - open/keep 19881 (time 1786467608.69 total 85.37 last 258.04)
 - open/keep 22838 (time 1786467618.69 total 95.37 last 295.70)
 - open/keep 26243 (time 1786467628.69 total 105.37 last 340.43)
 - open/keep 28797 (time 1786467638.69 total 115.38 last 255.32)
 - open/keep 30000 (time 1786467642.32 total 119.00 last 332.10)
total: 30333 open/keep in 120.00 seconds: 252.77 ops/second
 - closed 4886 (time 1786467653.32 total 10.00 last -2511.20)
 - closed 9725 (time 1786467663.32 total 20.00 last 483.82)
 - closed 10000 (time 1786467664.01 total 20.69 last 397.40)
 - closed 14078 (time 1786467674.02 total 30.70 last 407.56)
 - closed 18177 (time 1786467684.02 total 40.71 last 409.70)
 - closed 20000 (time 1786467687.56 total 44.25 last 514.77)
 - closed 24129 (time 1786467697.57 total 54.25 last 412.88)
 - closed 28063 (time 1786467707.57 total 64.25 last 393.28)
 - closed 30000 (time 1786467712.44 total 69.13 last 397.32)
total: 30333 close in 70.02 seconds: 433.22 close/second
 - unlinked 0 (time 1786467715 ; total 0 ; last 0)
 - unlinked 10000 (time 1786467756 ; total 41 ; last 41)
 - unlinked 20000 (time 1786467799 ; total 84 ; last 43)
 - unlinked 30000 (time 1786467838 ; total 123 ; last 39)
unlink(/mnt/lustre/d51f.sanity/f30333) error: No such file or directory
total: 30333 unlinks in 124 seconds: 244.620972 unlinks/second