== sanity test 124b: lru resize (performance test) ================================================================================= 19:52:10 (1786837930)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3436 (time 1786837945.90 total 10.00 last 343.54)
 - open/close 6741 (time 1786837955.91 total 20.00 last 330.45)
total: 8000 open/close in 23.75 seconds: 336.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
400
 - unlinked 0 (time 1786838050 ; 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 3320 (time 1786838074.62 total 10.00 last 331.99)
 - open/close 6886 (time 1786838084.62 total 20.00 last 356.52)
total: 8000 open/close in 22.98 seconds: 348.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 4006
4001
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1786838155 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second