== sanity test 124b: lru resize (performance test) ================================================================================= 22:20:58 (1772767258)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2198 (time 1772767270.67 total 10.01 last 219.67)
 - open/close 3961 (time 1772767280.68 total 20.01 last 176.24)
 - open/close 6571 (time 1772767290.68 total 30.01 last 260.89)
total: 8000 open/close in 35.56 seconds: 224.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 400
400
 - unlinked 0 (time 1772767403 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2849 (time 1772767433.47 total 10.00 last 284.87)
 - open/close 5575 (time 1772767443.47 total 20.00 last 272.52)
total: 8000 open/close in 28.19 seconds: 283.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 4006
4001
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1772767523 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second