== sanity test 124b: lru resize (performance test) ================================================================================= 20:09:57 (1743206997)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3663 (time 1743207008.67 total 10.00 last 366.18)
 - open/close 6072 (time 1743207018.67 total 20.01 last 240.78)
total: 8000 open/close in 28.30 seconds: 282.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 400
 - unlinked 0 (time 1743207132 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
 - open/close 2424 (time 1743207175.47 total 10.00 last 242.35)
 - open/close 5079 (time 1743207185.47 total 20.00 last 265.47)
 - open/close 7512 (time 1743207195.47 total 30.01 last 243.24)
total: 8000 open/close in 32.13 seconds: 248.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 8005
ls -la is 90% faster with lru resize enabled
 - unlinked 0 (time 1743207214 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second