== sanity test 124b: lru resize (performance test) ================================================================================= 09:14:22 (1775049262)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2727 (time 1775049276.68 total 10.00 last 272.66)
 - open/close 5381 (time 1775049286.69 total 20.00 last 265.32)
 - open/close 7672 (time 1775049296.69 total 30.01 last 229.08)
total: 8000 open/close in 31.33 seconds: 255.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
400
 - unlinked 0 (time 1775049393 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2665 (time 1775049429.55 total 10.00 last 266.40)
 - open/close 5065 (time 1775049439.55 total 20.00 last 240.00)
total: 8000 open/close in 29.74 seconds: 268.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1775049509 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second