== sanity test 51f: check many open files limit ========== 22:56:19 (1775876179)
MDT0 numfree=     535382 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2096 (time 1775876192.10 total 10.00 last 209.54)
 - open/keep 4128 (time 1775876202.10 total 20.01 last 203.14)
 - open/keep 6112 (time 1775876212.10 total 30.01 last 198.33)
 - open/keep 8541 (time 1775876222.11 total 40.01 last 242.79)
 - open/keep 10000 (time 1775876229.33 total 47.23 last 202.05)
 - open/keep 11858 (time 1775876239.33 total 57.24 last 185.79)
 - open/keep 13759 (time 1775876249.33 total 67.24 last 190.06)
 - open/keep 15850 (time 1775876259.33 total 77.24 last 209.06)
 - open/keep 17789 (time 1775876269.34 total 87.24 last 193.87)
 - open/keep 19781 (time 1775876279.34 total 97.24 last 199.15)
 - open/keep 21699 (time 1775876289.34 total 107.24 last 191.78)
 - open/keep 23905 (time 1775876299.34 total 117.25 last 220.56)
total: 24651 open/keep in 120.00 seconds: 205.42 ops/second
 - closed 4362 (time 1775876312.10 total 10.00 last -1954.21)
 - closed 8928 (time 1775876322.10 total 20.00 last 456.53)
 - closed 10000 (time 1775876324.83 total 22.74 last 391.90)
 - closed 14815 (time 1775876334.84 total 32.74 last 481.39)
 - closed 20000 (time 1775876342.53 total 40.43 last 674.05)
total: 24651 close in 48.23 seconds: 511.16 close/second
 - unlinked 0 (time 1775876351 ; total 0 ; last 0)
 - unlinked 10000 (time 1775876379 ; total 28 ; last 28)
 - unlinked 20000 (time 1775876406 ; total 55 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f24651) error: No such file or directory
total: 24651 unlinks in 69 seconds: 357.260864 unlinks/second