== sanity test 124b: lru resize (performance test) ================================================================================= 21:07:37 (1755047257)
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 2118 (time 1755047270.19 total 10.00 last 211.78)
 - open/close 4202 (time 1755047280.20 total 20.00 last 208.35)
 - open/close 6249 (time 1755047290.20 total 30.01 last 204.62)
total: 8000 open/close in 38.41 seconds: 208.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 400
400
 - unlinked 0 (time 1755047401 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2179 (time 1755047434.75 total 10.00 last 217.84)
 - open/close 4181 (time 1755047444.76 total 20.00 last 200.17)
 - open/close 6372 (time 1755047454.76 total 30.01 last 219.00)
total: 8000 open/close in 37.27 seconds: 214.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 4006
4001
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1755047544 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second