== sanity test 124b: lru resize (performance test) ================================================================================= 17:29:41 (1717018181)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012c48b800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012c48b800.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1522 (time 1717018194.14 total 10.01 last 152.10)
 - open/close 3042 (time 1717018204.15 total 20.01 last 151.94)
 - open/close 4639 (time 1717018214.15 total 30.01 last 159.68)
 - open/close 6197 (time 1717018224.15 total 40.01 last 155.78)
total: 8000 open/close in 49.58 seconds: 161.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1717018306 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012c48b800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012c48b800.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1657 (time 1717018366.04 total 10.00 last 165.64)
 - open/close 3209 (time 1717018376.04 total 20.01 last 155.15)
 - open/close 4794 (time 1717018386.05 total 30.01 last 158.42)
 - open/close 6367 (time 1717018396.05 total 40.02 last 157.23)
 - open/close 7888 (time 1717018406.06 total 50.02 last 152.03)
total: 8000 open/close in 50.82 seconds: 157.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 30 seconds
lru_size = 4052
3955
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1717018442 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second