== sanity test 124b: lru resize (performance test) ================================================================================= 01:08:54 (1744088934)
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 2456 (time 1744088946.07 total 10.00 last 245.53)
 - open/close 5011 (time 1744088956.07 total 20.00 last 255.49)
total: 8000 open/close in 29.35 seconds: 272.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 400
400
 - unlinked 0 (time 1744089018 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4073 (time 1744089039.82 total 10.00 last 407.24)
total: 8000 open/close in 17.18 seconds: 465.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 4052
3955
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1744089063 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second