== sanity test 124b: lru resize (performance test) ================================================================================= 21:04:02 (1789693442)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 967 (time 1789693455.89 total 10.01 last 96.63)
 - open/close 1895 (time 1789693465.90 total 20.01 last 92.78)
 - open/close 2823 (time 1789693475.91 total 30.02 last 92.69)
 - open/close 3699 (time 1789693485.91 total 40.02 last 87.59)
 - open/close 4490 (time 1789693495.92 total 50.03 last 79.02)
 - open/close 5316 (time 1789693505.92 total 60.03 last 82.59)
 - open/close 6128 (time 1789693515.93 total 70.04 last 81.15)
 - open/close 6933 (time 1789693525.93 total 80.04 last 80.48)
 - open/close 7769 (time 1789693535.93 total 90.04 last 83.59)
total: 8000 open/close in 92.95 seconds: 86.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 400
 - unlinked 0 (time 1789693671 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second
 - open/close 891 (time 1789693768.92 total 10.01 last 89.01)
 - open/close 1831 (time 1789693778.92 total 20.01 last 93.99)
 - open/close 2839 (time 1789693788.93 total 30.02 last 100.73)
 - open/close 3990 (time 1789693798.93 total 40.02 last 115.04)
 - open/close 5009 (time 1789693808.95 total 50.04 last 101.77)
 - open/close 6042 (time 1789693818.95 total 60.04 last 103.27)
 - open/close 7134 (time 1789693828.95 total 70.04 last 109.15)
total: 8000 open/close in 78.88 seconds: 101.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 24% faster with lru resize enabled
 - unlinked 0 (time 1789693950 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second