== sanity test 124b: lru resize (performance test) ================================================================================= 00:33:04 (1786941184)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1114 (time 1786941197.38 total 10.00 last 111.38)
 - open/close 2180 (time 1786941207.39 total 20.01 last 106.56)
 - open/close 3183 (time 1786941217.39 total 30.01 last 100.25)
 - open/close 4109 (time 1786941227.40 total 40.02 last 92.55)
 - open/close 5004 (time 1786941237.40 total 50.02 last 89.49)
 - open/close 5852 (time 1786941247.41 total 60.03 last 84.74)
 - open/close 6692 (time 1786941257.41 total 70.03 last 83.92)
 - open/close 7572 (time 1786941267.42 total 80.04 last 87.97)
total: 8000 open/close in 85.75 seconds: 93.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
 - unlinked 0 (time 1786941397 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
 - open/close 1801 (time 1786941438.56 total 10.01 last 179.97)
 - open/close 2595 (time 1786941448.57 total 20.02 last 79.32)
 - open/close 4694 (time 1786941458.57 total 30.02 last 209.83)
 - open/close 6469 (time 1786941468.58 total 40.02 last 177.45)
total: 8000 open/close in 49.57 seconds: 161.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1786941576 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second