== sanity test 51f: check many open files limit ========== 09:02:36 (1775221356)
MDT0 numfree=     532391 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2085 (time 1775221369.08 total 10.00 last 208.40)
 - open/keep 4171 (time 1775221379.09 total 20.01 last 208.52)
 - open/keep 6448 (time 1775221389.09 total 30.01 last 227.62)
 - open/keep 8619 (time 1775221399.09 total 40.01 last 217.09)
 - open/keep 10000 (time 1775221405.63 total 46.55 last 211.28)
 - open/keep 12216 (time 1775221415.63 total 56.55 last 221.54)
 - open/keep 14341 (time 1775221425.63 total 66.55 last 212.44)
 - open/keep 16399 (time 1775221435.63 total 76.55 last 205.78)
 - open/keep 18473 (time 1775221445.64 total 86.56 last 207.31)
 - open/keep 20000 (time 1775221452.07 total 92.99 last 237.34)
 - open/keep 21975 (time 1775221462.07 total 103.00 last 197.44)
 - open/keep 24089 (time 1775221472.07 total 113.00 last 211.40)
total: 25587 open/keep in 120.00 seconds: 213.22 ops/second
 - closed 3993 (time 1775221489.08 total 10.00 last -2009.44)
 - closed 7487 (time 1775221499.08 total 20.00 last 349.37)
 - closed 10000 (time 1775221507.04 total 27.96 last 315.86)
 - closed 13994 (time 1775221517.04 total 37.96 last 399.35)
 - closed 18286 (time 1775221527.04 total 47.96 last 429.18)
 - closed 20000 (time 1775221529.90 total 50.82 last 598.68)
 - closed 24988 (time 1775221539.90 total 60.82 last 498.78)
total: 25587 close in 61.87 seconds: 413.59 close/second
 - unlinked 0 (time 1775221542 ; total 0 ; last 0)
 - unlinked 10000 (time 1775221576 ; total 34 ; last 34)
 - unlinked 20000 (time 1775221604 ; total 62 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f25587) error: No such file or directory
total: 25587 unlinks in 79 seconds: 323.886078 unlinks/second