== sanity test 124b: lru resize (performance test) ================================================================================= 02:37:15 (1786430235)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 708 (time 1786430251.00 total 10.01 last 70.76)
 - open/close 1400 (time 1786430261.01 total 20.02 last 69.13)
 - open/close 2077 (time 1786430271.02 total 30.03 last 67.64)
 - open/close 2782 (time 1786430281.03 total 40.04 last 70.39)
 - open/close 3452 (time 1786430291.04 total 50.04 last 66.97)
 - open/close 4172 (time 1786430301.06 total 60.06 last 71.87)
 - open/close 4815 (time 1786430311.06 total 70.07 last 64.28)
 - open/close 5420 (time 1786430321.07 total 80.07 last 60.46)
 - open/close 6140 (time 1786430331.07 total 90.08 last 71.96)
 - open/close 6782 (time 1786430341.07 total 100.08 last 64.18)
 - open/close 7450 (time 1786430351.08 total 110.09 last 66.77)
total: 8000 open/close in 117.98 seconds: 67.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 253 seconds
lru_size = 400
 - unlinked 0 (time 1786430624 ; total 0 ; last 0)
total: 8000 unlinks in 131 seconds: 61.068703 unlinks/second
 - open/close 659 (time 1786430770.84 total 10.00 last 65.90)
 - open/close 1297 (time 1786430780.84 total 20.01 last 63.77)
 - open/close 2001 (time 1786430790.85 total 30.02 last 70.31)
 - open/close 2679 (time 1786430800.86 total 40.02 last 67.79)
 - open/close 3391 (time 1786430810.87 total 50.03 last 71.12)
 - open/close 4042 (time 1786430820.88 total 60.04 last 65.04)
 - open/close 4799 (time 1786430830.89 total 70.06 last 75.56)
 - open/close 5461 (time 1786430840.90 total 80.07 last 66.16)
 - open/close 6155 (time 1786430850.91 total 90.07 last 69.34)
 - open/close 6863 (time 1786430860.91 total 100.08 last 70.78)
 - open/close 7505 (time 1786430870.92 total 110.09 last 64.15)
total: 8000 open/close in 117.40 seconds: 68.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1786431029 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second