== sanity test 124b: lru resize (performance test) ================================================================================= 08:38:59 (1756816739)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1956 (time 1756816752.31 total 10.00 last 195.50)
 - open/close 3892 (time 1756816762.31 total 20.01 last 193.55)
 - open/close 5899 (time 1756816772.32 total 30.01 last 200.64)
 - open/close 7870 (time 1756816782.32 total 40.01 last 197.05)
total: 8000 open/close in 40.65 seconds: 196.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 400
 - unlinked 0 (time 1756816881 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 2842 (time 1756816908.75 total 10.00 last 284.20)
 - open/close 5674 (time 1756816918.75 total 20.00 last 283.12)
 - open/close 7972 (time 1756816928.75 total 30.00 last 229.80)
total: 8000 open/close in 30.14 seconds: 265.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1756816995 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second