== sanity test 124b: lru resize (performance test) ================================================================================= 23:10:36 (1767327036)
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 4774 (time 1767327049.51 total 10.00 last 477.32)
total: 8000 open/close in 16.85 seconds: 474.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1767327123 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3942 (time 1767327145.60 total 10.00 last 394.19)
total: 8000 open/close in 18.43 seconds: 434.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4006
4001
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1767327211 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second