== sanity test 124b: lru resize (performance test) ================================================================================= 16:18:59 (1780345139)
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 3011 (time 1780345152.14 total 10.00 last 301.07)
 - open/close 5652 (time 1780345162.15 total 20.01 last 263.91)
total: 8000 open/close in 29.06 seconds: 275.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 400
400
 - unlinked 0 (time 1780345244 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2942 (time 1780345275.38 total 10.00 last 294.15)
 - open/close 5356 (time 1780345285.38 total 20.00 last 241.37)
total: 8000 open/close in 29.91 seconds: 267.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 4006
4001
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1780345344 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second