== sanity test 124b: lru resize (performance test) ================================================================================= 06:16:57 (1734434217)
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 4650 (time 1734434229.00 total 10.00 last 464.93)
total: 8000 open/close in 17.23 seconds: 464.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 400
400
 - unlinked 0 (time 1734434291 ; 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 3818 (time 1734434312.44 total 10.00 last 381.70)
total: 8000 open/close in 18.40 seconds: 434.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4052
3955
ls -la is 79% faster with lru resize enabled
 - unlinked 0 (time 1734434336 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second