== sanity test 124b: lru resize (performance test) ================================================================================= 00:49:38 (1746161378)
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 1654 (time 1746161390.44 total 10.00 last 165.36)
 - open/close 3136 (time 1746161400.45 total 20.01 last 148.09)
 - open/close 4590 (time 1746161410.45 total 30.01 last 145.39)
 - open/close 5915 (time 1746161420.46 total 40.02 last 132.39)
 - open/close 7276 (time 1746161430.47 total 50.02 last 136.02)
total: 8000 open/close in 54.55 seconds: 146.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
400
 - unlinked 0 (time 1746161516 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1723 (time 1746161563.85 total 10.00 last 172.25)
 - open/close 3475 (time 1746161573.85 total 20.01 last 175.11)
 - open/close 5399 (time 1746161583.85 total 30.01 last 192.37)
 - open/close 7201 (time 1746161593.86 total 40.02 last 179.99)
total: 8000 open/close in 45.63 seconds: 175.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 23 seconds
lru_size = 4006
4001
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1746161628 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second