== sanity test 124b: lru resize (performance test) ================================================================================= 11:49:37 (1761148177)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1983 (time 1761148189.30 total 10.00 last 198.22)
 - open/close 4022 (time 1761148199.30 total 20.00 last 203.88)
 - open/close 5453 (time 1761148209.31 total 30.01 last 143.03)
 - open/close 6896 (time 1761148219.31 total 40.01 last 144.24)
total: 8000 open/close in 45.32 seconds: 176.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 104 seconds
lru_size = 400
 - unlinked 0 (time 1761148333 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
 - open/close 1918 (time 1761148369.07 total 10.00 last 191.73)
 - open/close 3857 (time 1761148379.07 total 20.01 last 193.82)
 - open/close 5938 (time 1761148389.07 total 30.01 last 208.10)
 - open/close 7952 (time 1761148399.08 total 40.01 last 201.32)
total: 8000 open/close in 40.25 seconds: 198.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 8005
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1761148483 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second