== sanity test 124b: lru resize (performance test) ================================================================================= 11:02:41 (1761318161)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8c6646c9a800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8c6646c9a800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1063 (time 1761318174.13 total 10.00 last 106.27)
 - open/close 2085 (time 1761318184.13 total 20.01 last 102.16)
 - open/close 3021 (time 1761318194.13 total 30.01 last 93.56)
 - open/close 3919 (time 1761318204.15 total 40.02 last 89.69)
 - open/close 4771 (time 1761318214.16 total 50.04 last 85.09)
 - open/close 5653 (time 1761318224.16 total 60.04 last 88.17)
 - open/close 6568 (time 1761318234.16 total 70.04 last 91.49)
 - open/close 7606 (time 1761318244.17 total 80.05 last 103.72)
total: 8000 open/close in 84.08 seconds: 95.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
400
 - unlinked 0 (time 1761318325 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8c6646c9a800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8c6646c9a800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 830 (time 1761318429.04 total 10.01 last 82.89)
 - open/close 1714 (time 1761318439.05 total 20.02 last 88.31)
 - open/close 2564 (time 1761318449.06 total 30.03 last 84.96)
 - open/close 3563 (time 1761318459.07 total 40.04 last 99.76)
 - open/close 4430 (time 1761318469.08 total 50.05 last 86.66)
 - open/close 5305 (time 1761318479.09 total 60.06 last 87.40)
 - open/close 6167 (time 1761318489.10 total 70.07 last 86.08)
 - open/close 6950 (time 1761318499.11 total 80.08 last 78.25)
 - open/close 7798 (time 1761318509.11 total 90.08 last 84.78)
total: 8000 open/close in 92.33 seconds: 86.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 34 seconds
lru_size = 4006
4001
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1761318556 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second