== sanity test 124b: lru resize (performance test) ================================================================================= 20:31:53 (1746145913)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1435 (time 1746145926.12 total 10.00 last 143.45)
 - open/close 2854 (time 1746145936.13 total 20.01 last 141.88)
 - open/close 4431 (time 1746145946.13 total 30.01 last 157.62)
 - open/close 5923 (time 1746145956.14 total 40.02 last 149.13)
 - open/close 7171 (time 1746145966.14 total 50.02 last 124.76)
total: 8000 open/close in 56.16 seconds: 142.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
 - unlinked 0 (time 1746146108 ; total 0 ; last 0)
total: 8000 unlinks in 44 seconds: 181.818176 unlinks/second
 - open/close 1397 (time 1746146164.79 total 10.00 last 139.67)
 - open/close 3148 (time 1746146174.79 total 20.01 last 174.99)
 - open/close 4793 (time 1746146184.80 total 30.01 last 164.46)
 - open/close 6446 (time 1746146194.80 total 40.01 last 165.24)
 - open/close 7909 (time 1746146204.81 total 50.03 last 146.11)
total: 8000 open/close in 50.74 seconds: 157.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 27 seconds
lru_size = 8005
ls -la is 79% faster with lru resize enabled
 - unlinked 0 (time 1746146239 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second