== sanity test 124b: lru resize (performance test) ================================================================================= 12:25:06 (1786811106)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 773 (time 1786811121.98 total 10.01 last 77.26)
 - open/close 1580 (time 1786811131.99 total 20.02 last 80.61)
 - open/close 2350 (time 1786811141.99 total 30.02 last 76.94)
 - open/close 3198 (time 1786811152.01 total 40.04 last 84.64)
 - open/close 3812 (time 1786811162.03 total 50.06 last 61.29)
 - open/close 4536 (time 1786811172.05 total 60.08 last 72.30)
 - open/close 5331 (time 1786811182.05 total 70.08 last 79.43)
 - open/close 6087 (time 1786811192.07 total 80.10 last 75.50)
 - open/close 6872 (time 1786811202.07 total 90.10 last 78.44)
 - open/close 7647 (time 1786811212.07 total 100.10 last 77.50)
total: 8000 open/close in 104.85 seconds: 76.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 172 seconds
lru_size = 400
 - unlinked 0 (time 1786811398 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second
 - open/close 707 (time 1786811505.20 total 10.00 last 70.68)
 - open/close 1439 (time 1786811515.21 total 20.01 last 73.14)
 - open/close 2180 (time 1786811525.21 total 30.01 last 74.09)
 - open/close 2985 (time 1786811535.22 total 40.02 last 80.39)
 - open/close 3825 (time 1786811545.23 total 50.03 last 83.92)
 - open/close 4718 (time 1786811555.23 total 60.04 last 89.26)
 - open/close 5593 (time 1786811565.23 total 70.04 last 87.49)
 - open/close 6302 (time 1786811575.24 total 80.04 last 70.86)
 - open/close 7051 (time 1786811585.27 total 90.08 last 74.64)
 - open/close 7734 (time 1786811595.28 total 100.09 last 68.23)
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: 84 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1786811705 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second