== sanity test 124b: lru resize (performance test) ================================================================================= 06:19:38 (1734434378)
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 4201 (time 1734434389.88 total 10.00 last 420.07)
total: 8000 open/close in 17.46 seconds: 458.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 400
400
 - unlinked 0 (time 1734434448 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4779 (time 1734434469.35 total 10.00 last 477.86)
total: 8000 open/close in 17.08 seconds: 468.27 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 75% faster with lru resize enabled
 - unlinked 0 (time 1734434492 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second