== sanity test 124b: lru resize (performance test) ================================================================================= 15:59:41 (1786046381)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 659 (time 1786046396.73 total 10.00 last 65.89)
 - open/close 1436 (time 1786046406.73 total 20.01 last 77.67)
 - open/close 2181 (time 1786046416.74 total 30.01 last 74.45)
 - open/close 2916 (time 1786046426.74 total 40.01 last 73.49)
 - open/close 3696 (time 1786046436.75 total 50.02 last 77.95)
 - open/close 4526 (time 1786046446.77 total 60.04 last 82.84)
 - open/close 5074 (time 1786046456.77 total 70.04 last 54.78)
 - open/close 5555 (time 1786046466.78 total 80.05 last 48.08)
 - open/close 6183 (time 1786046476.79 total 90.06 last 62.72)
 - open/close 6883 (time 1786046486.79 total 100.07 last 69.96)
 - open/close 7623 (time 1786046496.80 total 110.07 last 73.98)
total: 8000 open/close in 115.16 seconds: 69.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
 - unlinked 0 (time 1786046669 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 769 (time 1786046801.71 total 10.01 last 76.82)
 - open/close 1414 (time 1786046811.72 total 20.02 last 64.46)
 - open/close 2151 (time 1786046821.72 total 30.02 last 73.70)
 - open/close 2933 (time 1786046831.72 total 40.02 last 78.16)
 - open/close 3795 (time 1786046841.72 total 50.03 last 86.17)
 - open/close 4514 (time 1786046851.73 total 60.03 last 71.83)
 - open/close 5140 (time 1786046861.74 total 70.04 last 62.58)
 - open/close 5997 (time 1786046871.76 total 80.06 last 85.53)
 - open/close 6770 (time 1786046881.77 total 90.07 last 77.24)
 - open/close 7460 (time 1786046891.77 total 100.07 last 68.96)
total: 8000 open/close in 108.14 seconds: 73.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 8005
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1786047028 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second