== sanity test 124b: lru resize (performance test) ================================================================================= 18:13:18 (1787782398)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 717 (time 1787782412.94 total 10.01 last 71.64)
 - open/close 1408 (time 1787782422.94 total 20.01 last 69.08)
 - open/close 2101 (time 1787782432.95 total 30.02 last 69.23)
 - open/close 2811 (time 1787782442.97 total 40.04 last 70.89)
 - open/close 3541 (time 1787782452.97 total 50.04 last 72.97)
 - open/close 4268 (time 1787782462.98 total 60.05 last 72.62)
 - open/close 4992 (time 1787782472.99 total 70.05 last 72.38)
 - open/close 5644 (time 1787782482.99 total 80.06 last 65.15)
 - open/close 6328 (time 1787782493.00 total 90.07 last 68.35)
 - open/close 6934 (time 1787782503.02 total 100.09 last 60.51)
 - open/close 7610 (time 1787782513.03 total 110.10 last 67.52)
total: 8000 open/close in 115.39 seconds: 69.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1787782710 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 733 (time 1787782839.38 total 10.00 last 73.29)
 - open/close 1455 (time 1787782849.39 total 20.02 last 72.09)
 - open/close 2169 (time 1787782859.39 total 30.02 last 71.39)
 - open/close 2968 (time 1787782869.39 total 40.02 last 79.89)
 - open/close 3521 (time 1787782879.40 total 50.03 last 55.25)
 - open/close 4130 (time 1787782889.41 total 60.04 last 60.85)
 - open/close 4732 (time 1787782899.43 total 70.05 last 60.12)
 - open/close 5389 (time 1787782909.43 total 80.06 last 65.65)
 - open/close 6058 (time 1787782919.45 total 90.07 last 66.81)
 - open/close 6792 (time 1787782929.45 total 100.08 last 73.34)
 - open/close 7472 (time 1787782939.46 total 110.08 last 67.99)
total: 8000 open/close in 117.06 seconds: 68.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787783071 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second