== sanity test 124b: lru resize (performance test) ================================================================================= 11:59:29 (1787759969)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 789 (time 1787759984.42 total 10.01 last 78.82)
 - open/close 1512 (time 1787759994.43 total 20.02 last 72.25)
 - open/close 2255 (time 1787760004.43 total 30.02 last 74.29)
 - open/close 3013 (time 1787760014.44 total 40.03 last 75.75)
 - open/close 3680 (time 1787760024.44 total 50.03 last 66.68)
 - open/close 4349 (time 1787760034.45 total 60.03 last 66.88)
 - open/close 4822 (time 1787760044.45 total 70.04 last 47.28)
 - open/close 5303 (time 1787760054.49 total 80.07 last 47.94)
 - open/close 5633 (time 1787760064.52 total 90.11 last 32.89)
 - open/close 6176 (time 1787760074.54 total 100.12 last 54.20)
 - open/close 6695 (time 1787760084.55 total 110.14 last 51.83)
 - open/close 7219 (time 1787760094.61 total 120.19 last 52.10)
 - open/close 7683 (time 1787760104.61 total 130.20 last 46.38)
total: 8000 open/close in 136.22 seconds: 58.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1787760287 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 584 (time 1787760415.03 total 10.02 last 58.27)
 - open/close 1211 (time 1787760425.04 total 20.03 last 62.63)
 - open/close 1927 (time 1787760435.05 total 30.04 last 71.56)
 - open/close 2692 (time 1787760445.07 total 40.06 last 76.34)
 - open/close 3330 (time 1787760455.07 total 50.06 last 63.79)
 - open/close 4222 (time 1787760465.09 total 60.08 last 89.01)
 - open/close 5093 (time 1787760475.10 total 70.10 last 86.99)
 - open/close 5960 (time 1787760485.11 total 80.10 last 86.64)
 - open/close 6775 (time 1787760495.12 total 90.11 last 81.42)
 - open/close 7538 (time 1787760505.12 total 100.12 last 76.27)
total: 8000 open/close in 105.44 seconds: 75.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 8005
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1787760647 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second