== sanity test 124b: lru resize (performance test) ================================================================================= 06:19:35 (1784283575)
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 4088 (time 1784283590.85 total 10.00 last 408.74)
total: 8000 open/close in 19.87 seconds: 402.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
400
 - unlinked 0 (time 1784283682 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3191 (time 1784283713.54 total 10.00 last 319.08)
 - open/close 7068 (time 1784283723.54 total 20.00 last 387.68)
total: 8000 open/close in 22.61 seconds: 353.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1784283785 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second