== sanity test 124b: lru resize (performance test) ================================================================================= 07:59:17 (1740488357)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3814 (time 1740488368.78 total 10.00 last 381.36)
total: 8000 open/close in 18.55 seconds: 431.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
400
 - unlinked 0 (time 1740488445 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2818 (time 1740488473.37 total 10.00 last 281.71)
 - open/close 5713 (time 1740488483.37 total 20.01 last 289.42)
total: 8000 open/close in 27.03 seconds: 295.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 84% faster with lru resize enabled
 - unlinked 0 (time 1740488505 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second