== sanity test 124b: lru resize (performance test) ================================================================================= 14:55:11 (1772913311)
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 2544 (time 1772913324.13 total 10.00 last 254.39)
 - open/close 4743 (time 1772913334.14 total 20.00 last 219.82)
 - open/close 6803 (time 1772913344.14 total 30.01 last 205.94)
total: 8000 open/close in 35.49 seconds: 225.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 112 seconds
lru_size = 400
400
 - unlinked 0 (time 1772913465 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2307 (time 1772913495.89 total 10.00 last 230.60)
 - open/close 4817 (time 1772913505.90 total 20.01 last 250.98)
 - open/close 6947 (time 1772913515.90 total 30.01 last 212.96)
total: 8000 open/close in 34.61 seconds: 231.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 4052
3955
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1772913599 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second