== sanity test 124b: lru resize (performance test) ================================================================================= 19:14:56 (1755645296)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1935 (time 1755645309.07 total 10.00 last 193.48)
 - open/close 3762 (time 1755645319.09 total 20.02 last 182.41)
 - open/close 5233 (time 1755645329.09 total 30.02 last 147.05)
 - open/close 6365 (time 1755645339.10 total 40.03 last 113.14)
total: 8000 open/close in 48.58 seconds: 164.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 400
 - unlinked 0 (time 1755645461 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
 - open/close 1933 (time 1755645503.39 total 10.00 last 193.24)
 - open/close 3880 (time 1755645513.39 total 20.00 last 194.69)
 - open/close 5778 (time 1755645523.39 total 30.01 last 189.76)
 - open/close 7652 (time 1755645533.39 total 40.01 last 187.35)
total: 8000 open/close in 41.83 seconds: 191.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1755645608 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second