== sanity test 124b: lru resize (performance test) ================================================================================= 17:31:59 (1741901519)
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 4117 (time 1741901530.88 total 10.00 last 411.65)
total: 8000 open/close in 19.89 seconds: 402.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 400
400
 - unlinked 0 (time 1741901598 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4099 (time 1741901618.32 total 10.00 last 409.80)
 - open/close 7899 (time 1741901628.32 total 20.00 last 379.90)
total: 8000 open/close in 20.34 seconds: 393.41 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 78% faster with lru resize enabled
 - unlinked 0 (time 1741901645 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second