== sanity test 124b: lru resize (performance test) ================================================================================= 11:10:11 (1773241811)
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 2477 (time 1773241824.17 total 10.00 last 247.61)
 - open/close 5782 (time 1773241834.17 total 20.00 last 330.46)
total: 8000 open/close in 29.81 seconds: 268.34 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 1773241937 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3078 (time 1773241971.32 total 10.00 last 307.78)
 - open/close 5605 (time 1773241981.32 total 20.00 last 252.61)
 - open/close 7978 (time 1773241991.32 total 30.01 last 237.24)
total: 8000 open/close in 30.10 seconds: 265.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 4052
3955
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1773242061 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second