== sanity test 124b: lru resize (performance test) ================================================================================= 02:09:49 (1788847789)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 720 (time 1788847804.40 total 10.00 last 71.97)
 - open/close 1418 (time 1788847814.40 total 20.01 last 69.80)
 - open/close 2190 (time 1788847824.40 total 30.01 last 77.18)
 - open/close 2938 (time 1788847834.41 total 40.01 last 74.75)
 - open/close 3684 (time 1788847844.42 total 50.03 last 74.52)
 - open/close 4487 (time 1788847854.42 total 60.03 last 80.29)
 - open/close 5218 (time 1788847864.47 total 70.07 last 72.76)
 - open/close 5950 (time 1788847874.47 total 80.07 last 73.19)
 - open/close 6725 (time 1788847884.48 total 90.09 last 77.42)
 - open/close 7438 (time 1788847894.48 total 100.09 last 71.29)
total: 8000 open/close in 107.80 seconds: 74.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1788848084 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
 - open/close 816 (time 1788848217.73 total 10.01 last 81.48)
 - open/close 1539 (time 1788848227.74 total 20.03 last 72.19)
 - open/close 2115 (time 1788848237.76 total 30.04 last 57.53)
 - open/close 2826 (time 1788848247.77 total 40.05 last 71.03)
 - open/close 3443 (time 1788848257.78 total 50.06 last 61.64)
 - open/close 4186 (time 1788848267.78 total 60.07 last 74.27)
 - open/close 4891 (time 1788848277.79 total 70.07 last 70.47)
 - open/close 5667 (time 1788848287.79 total 80.08 last 77.56)
 - open/close 6395 (time 1788848297.80 total 90.08 last 72.74)
 - open/close 7114 (time 1788848307.81 total 100.10 last 71.82)
 - open/close 7895 (time 1788848317.81 total 110.10 last 78.09)
total: 8000 open/close in 112.06 seconds: 71.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788848435 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second