== sanity test 124b: lru resize (performance test) ================================================================================= 21:16:28 (1788570988)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 577 (time 1788571002.73 total 10.02 last 57.61)
 - open/close 1007 (time 1788571012.74 total 20.03 last 42.94)
 - open/close 1589 (time 1788571022.74 total 30.03 last 58.19)
 - open/close 2186 (time 1788571032.77 total 40.06 last 59.55)
 - open/close 2708 (time 1788571042.77 total 50.06 last 52.16)
 - open/close 3471 (time 1788571052.78 total 60.07 last 76.28)
 - open/close 4374 (time 1788571062.78 total 70.08 last 90.22)
 - open/close 5258 (time 1788571072.79 total 80.08 last 88.40)
 - open/close 6099 (time 1788571082.79 total 90.08 last 84.09)
 - open/close 6864 (time 1788571092.80 total 100.09 last 76.41)
 - open/close 7670 (time 1788571102.81 total 110.10 last 80.54)
total: 8000 open/close in 114.35 seconds: 69.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1788571277 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 749 (time 1788571408.09 total 10.00 last 74.88)
 - open/close 1475 (time 1788571418.10 total 20.01 last 72.53)
 - open/close 2256 (time 1788571428.11 total 30.02 last 78.01)
 - open/close 3182 (time 1788571438.12 total 40.03 last 92.55)
 - open/close 3925 (time 1788571448.12 total 50.03 last 74.29)
 - open/close 4732 (time 1788571458.14 total 60.05 last 80.52)
 - open/close 5495 (time 1788571468.15 total 70.06 last 76.28)
 - open/close 6241 (time 1788571478.15 total 80.06 last 74.57)
 - open/close 6988 (time 1788571488.16 total 90.07 last 74.64)
 - open/close 7762 (time 1788571498.17 total 100.08 last 77.34)
total: 8000 open/close in 103.10 seconds: 77.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788571618 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second