== sanity test 124b: lru resize (performance test) ================================================================================= 10:58:04 (1783522684)
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 4222 (time 1783522698.46 total 10.00 last 422.14)
total: 8000 open/close in 18.37 seconds: 435.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 400
400
 - unlinked 0 (time 1783522803 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4022 (time 1783522828.65 total 10.00 last 402.11)
total: 8000 open/close in 18.89 seconds: 423.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 4006
4001
ls -la is 21% faster with lru resize enabled
 - unlinked 0 (time 1783522918 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second