== sanity test 124b: lru resize (performance test) ================================================================================= 01:35:01 (1786426501)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 676 (time 1786426517.52 total 10.00 last 67.57)
 - open/close 1461 (time 1786426527.53 total 20.01 last 78.48)
 - open/close 2213 (time 1786426537.53 total 30.01 last 75.18)
 - open/close 3033 (time 1786426547.53 total 40.01 last 81.98)
 - open/close 3740 (time 1786426557.54 total 50.02 last 70.66)
 - open/close 4519 (time 1786426567.54 total 60.02 last 77.85)
 - open/close 5339 (time 1786426577.57 total 70.05 last 81.81)
 - open/close 6094 (time 1786426587.57 total 80.05 last 75.47)
 - open/close 6951 (time 1786426597.58 total 90.06 last 85.65)
 - open/close 7585 (time 1786426607.60 total 100.08 last 63.23)
total: 8000 open/close in 106.67 seconds: 75.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 166 seconds
lru_size = 400
 - unlinked 0 (time 1786426793 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 769 (time 1786426923.63 total 10.00 last 76.86)
 - open/close 1499 (time 1786426933.63 total 20.01 last 73.00)
 - open/close 2147 (time 1786426943.65 total 30.03 last 64.64)
 - open/close 2727 (time 1786426953.68 total 40.06 last 57.83)
 - open/close 3497 (time 1786426963.69 total 50.06 last 76.98)
 - open/close 4182 (time 1786426973.71 total 60.09 last 68.32)
 - open/close 4895 (time 1786426983.71 total 70.09 last 71.30)
 - open/close 5613 (time 1786426993.72 total 80.10 last 71.72)
 - open/close 6399 (time 1786427003.73 total 90.11 last 78.53)
 - open/close 7147 (time 1786427013.74 total 100.12 last 74.71)
 - open/close 7950 (time 1786427023.77 total 110.15 last 80.08)
total: 8000 open/close in 110.82 seconds: 72.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1786427141 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second