== sanity test 124b: lru resize (performance test) ================================================================================= 00:04:20 (1787717060)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 862 (time 1787717074.53 total 10.02 last 86.01)
 - open/close 1463 (time 1787717084.55 total 20.04 last 60.02)
 - open/close 2089 (time 1787717094.57 total 30.06 last 62.45)
 - open/close 2654 (time 1787717104.59 total 40.08 last 56.39)
 - open/close 3316 (time 1787717114.59 total 50.08 last 66.18)
 - open/close 4054 (time 1787717124.63 total 60.12 last 73.53)
 - open/close 4545 (time 1787717134.66 total 70.15 last 48.94)
 - open/close 5075 (time 1787717144.67 total 80.16 last 52.95)
 - open/close 5944 (time 1787717154.70 total 90.18 last 86.69)
 - open/close 6772 (time 1787717164.70 total 100.19 last 82.75)
 - open/close 7564 (time 1787717174.75 total 110.24 last 78.85)
total: 8000 open/close in 115.54 seconds: 69.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
 - unlinked 0 (time 1787717345 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
 - open/close 842 (time 1787717448.88 total 10.01 last 84.12)
 - open/close 1766 (time 1787717458.89 total 20.02 last 92.30)
 - open/close 2676 (time 1787717468.89 total 30.02 last 90.98)
 - open/close 3387 (time 1787717478.90 total 40.03 last 71.04)
 - open/close 3918 (time 1787717488.92 total 50.05 last 53.01)
 - open/close 4688 (time 1787717498.93 total 60.06 last 76.89)
 - open/close 5526 (time 1787717508.94 total 70.07 last 83.71)
 - open/close 6424 (time 1787717518.95 total 80.08 last 89.74)
 - open/close 7333 (time 1787717528.96 total 90.09 last 90.79)
total: 8000 open/close in 99.63 seconds: 80.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787717635 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second