== sanity test 124b: lru resize (performance test) ================================================================================= 14:35:41 (1774895741)
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 3584 (time 1774895754.34 total 10.00 last 358.36)
 - open/close 6753 (time 1774895764.34 total 20.00 last 316.88)
total: 8000 open/close in 23.16 seconds: 345.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
400
 - unlinked 0 (time 1774895861 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2557 (time 1774895888.02 total 10.00 last 255.60)
 - open/close 5062 (time 1774895898.02 total 20.00 last 250.48)
 - open/close 7467 (time 1774895908.02 total 30.01 last 240.42)
total: 8000 open/close in 32.08 seconds: 249.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 4052
3955
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1774895980 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second