== sanity test 124b: lru resize (performance test) ================================================================================= 01:40:04 (1734676804)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1901 (time 1734676816.56 total 10.00 last 190.03)
 - open/close 3728 (time 1734676826.56 total 20.01 last 182.62)
 - open/close 5549 (time 1734676836.56 total 30.01 last 182.08)
 - open/close 7545 (time 1734676846.57 total 40.01 last 199.55)
total: 8000 open/close in 42.27 seconds: 189.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1734676955 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 3215 (time 1734676996.68 total 10.00 last 321.47)
 - open/close 6128 (time 1734677006.68 total 20.00 last 291.29)
total: 8000 open/close in 26.02 seconds: 307.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 16 seconds
lru_size = 8005
ls -la is 84% faster with lru resize enabled
 - unlinked 0 (time 1734677033 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second