== sanity test 124b: lru resize (performance test) ================================================================================= 12:16:52 (1787847412)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 842 (time 1787847428.53 total 10.02 last 84.01)
 - open/close 1593 (time 1787847438.54 total 20.03 last 75.07)
 - open/close 2288 (time 1787847448.54 total 30.03 last 69.47)
 - open/close 3016 (time 1787847458.55 total 40.04 last 72.74)
 - open/close 3775 (time 1787847468.56 total 50.05 last 75.84)
 - open/close 4550 (time 1787847478.58 total 60.08 last 77.27)
 - open/close 5284 (time 1787847488.59 total 70.08 last 73.38)
 - open/close 6101 (time 1787847498.60 total 80.09 last 81.64)
 - open/close 6880 (time 1787847508.60 total 90.09 last 77.87)
 - open/close 7620 (time 1787847518.60 total 100.10 last 73.96)
total: 8000 open/close in 105.73 seconds: 75.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
400
 - unlinked 0 (time 1787847686 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 640 (time 1787847805.06 total 10.01 last 63.97)
 - open/close 1383 (time 1787847815.08 total 20.02 last 74.19)
 - open/close 2164 (time 1787847825.09 total 30.03 last 77.99)
 - open/close 2890 (time 1787847835.11 total 40.06 last 72.44)
 - open/close 3602 (time 1787847845.13 total 50.08 last 71.07)
 - open/close 4442 (time 1787847855.14 total 60.08 last 83.93)
 - open/close 5245 (time 1787847865.14 total 70.09 last 80.28)
 - open/close 6053 (time 1787847875.15 total 80.09 last 80.75)
 - open/close 6830 (time 1787847885.15 total 90.10 last 77.66)
 - open/close 7704 (time 1787847895.16 total 100.10 last 87.35)
total: 8000 open/close in 103.39 seconds: 77.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 4006
4001
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787847997 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second