== sanity test 124b: lru resize (performance test) ================================================================================= 00:50:11 (1721883011)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012f88b000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012f88b000.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3502 (time 1721883023.26 total 10.00 last 350.15)
 - open/close 7281 (time 1721883033.26 total 20.00 last 377.76)
total: 8000 open/close in 22.12 seconds: 361.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1721883102 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012f88b000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012f88b000.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2698 (time 1721883142.69 total 10.00 last 269.77)
 - open/close 5822 (time 1721883152.69 total 20.00 last 312.35)
total: 8000 open/close in 27.78 seconds: 287.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4006
4001
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1721883173 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second