== sanity test 51f: check many open files limit ========== 22:24:39 (1767324279)
MDT0 numfree=     492962 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2006 (time 1767324292.10 total 10.00 last 200.55)
 - open/keep 3778 (time 1767324302.11 total 20.01 last 177.11)
 - open/keep 5754 (time 1767324312.11 total 30.01 last 197.60)
 - open/keep 7686 (time 1767324322.11 total 40.01 last 193.20)
 - open/keep 9734 (time 1767324332.11 total 50.01 last 204.77)
 - open/keep 11622 (time 1767324342.11 total 60.01 last 188.72)
 - open/keep 13524 (time 1767324352.12 total 70.02 last 190.13)
 - open/keep 15281 (time 1767324362.15 total 80.05 last 175.14)
 - open/keep 17238 (time 1767324372.15 total 90.05 last 195.68)
 - open/keep 19369 (time 1767324382.15 total 100.05 last 213.10)
 - open/keep 20000 (time 1767324385.30 total 103.20 last 200.02)
 - open/keep 22083 (time 1767324395.31 total 113.21 last 208.18)
total: 23298 open/keep in 120.00 seconds: 194.15 ops/second
 - closed 3058 (time 1767324412.10 total 10.00 last -1901.88)
 - closed 6108 (time 1767324422.11 total 20.00 last 304.98)
 - closed 10000 (time 1767324431.25 total 29.15 last 425.56)
 - closed 14772 (time 1767324441.25 total 39.15 last 477.13)
 - closed 19119 (time 1767324451.25 total 49.15 last 434.63)
 - closed 20000 (time 1767324453.69 total 51.59 last 361.79)
total: 23298 close in 60.67 seconds: 383.99 close/second
 - unlinked 0 (time 1767324464 ; total 0 ; last 0)
 - unlinked 10000 (time 1767324498 ; total 34 ; last 34)
 - unlinked 20000 (time 1767324535 ; total 71 ; last 37)
unlink(/mnt/lustre/d51f.sanity/f23298) error: No such file or directory
total: 23298 unlinks in 84 seconds: 277.357147 unlinks/second