== sanity test 124b: lru resize (performance test) ================================================================================= 21:04:56 (1785891896)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 849 (time 1785891909.53 total 10.01 last 84.81)
 - open/close 1637 (time 1785891919.54 total 20.03 last 78.67)
 - open/close 2486 (time 1785891929.55 total 30.03 last 84.85)
 - open/close 3393 (time 1785891939.57 total 40.05 last 90.54)
 - open/close 4297 (time 1785891949.57 total 50.06 last 90.34)
 - open/close 5027 (time 1785891959.58 total 60.06 last 72.96)
 - open/close 5757 (time 1785891969.60 total 70.08 last 72.87)
 - open/close 6747 (time 1785891979.61 total 80.09 last 98.92)
 - open/close 7558 (time 1785891989.61 total 90.09 last 81.08)
total: 8000 open/close in 95.44 seconds: 83.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 144 seconds
lru_size = 400
 - unlinked 0 (time 1785892147 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 894 (time 1785892256.25 total 10.00 last 89.39)
 - open/close 1792 (time 1785892266.26 total 20.01 last 89.75)
 - open/close 2693 (time 1785892276.26 total 30.01 last 90.08)
 - open/close 3538 (time 1785892286.27 total 40.01 last 84.46)
 - open/close 4429 (time 1785892296.28 total 50.02 last 89.01)
 - open/close 5289 (time 1785892306.28 total 60.03 last 85.93)
 - open/close 6391 (time 1785892316.29 total 70.04 last 110.12)
 - open/close 7369 (time 1785892326.30 total 80.05 last 97.70)
total: 8000 open/close in 86.37 seconds: 92.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1785892425 ; total 0 ; last 0)
total: 8000 unlinks in 58 seconds: 137.931030 unlinks/second