== sanity test 124b: lru resize (performance test) ================================================================================= 04:59:01 (1711097941)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b7b3e000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b7b3e000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1895 (time 1711097952.91 total 10.00 last 189.48)
 - open/close 3759 (time 1711097962.92 total 20.00 last 186.33)
 - open/close 5298 (time 1711097972.92 total 30.01 last 153.89)
 - open/close 6921 (time 1711097982.92 total 40.01 last 162.23)
total: 8000 open/close in 46.97 seconds: 170.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
400
 - unlinked 0 (time 1711098056 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b7b3e000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b7b3e000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1698 (time 1711098114.21 total 10.00 last 169.74)
 - open/close 3114 (time 1711098124.21 total 20.00 last 141.60)
 - open/close 4399 (time 1711098134.21 total 30.01 last 128.40)
 - open/close 5686 (time 1711098144.22 total 40.02 last 128.65)
 - open/close 6203 (time 1711098160.32 total 56.12 last 32.11)
 - open/close 6226 (time 1711098171.56 total 67.35 last 2.05)
 - open/close 7168 (time 1711098190.78 total 86.58 last 49.00)
 - open/close 7520 (time 1711098205.39 total 101.18 last 24.10)
total: 8000 open/close in 106.50 seconds: 75.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 4052
3955
ls -la is 61% faster with lru resize enabled
 - unlinked 0 (time 1711098242 ; total 0 ; last 0)
total: 8000 unlinks in 44 seconds: 181.818176 unlinks/second