== sanity test 124b: lru resize (performance test) ================================================================================= 17:49:12 (1746136152)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2240 (time 1746136164.99 total 10.00 last 223.94)
 - open/close 4567 (time 1746136174.99 total 20.01 last 232.62)
 - open/close 6381 (time 1746136185.00 total 30.01 last 181.34)
total: 8000 open/close in 39.11 seconds: 204.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 400
400
 - unlinked 0 (time 1746136278 ; total 0 ; last 0)
total: 8000 unlinks in 35 seconds: 228.571426 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1535 (time 1746136325.90 total 10.00 last 153.45)
 - open/close 3106 (time 1746136335.91 total 20.01 last 157.05)
 - open/close 4995 (time 1746136345.91 total 30.01 last 188.89)
 - open/close 6482 (time 1746136355.91 total 40.01 last 148.69)
 - open/close 7925 (time 1746136365.91 total 50.01 last 144.21)
total: 8000 open/close in 50.50 seconds: 158.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 4006
4001
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1746136398 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second