== sanity test 124b: lru resize (performance test) ================================================================================= 05:03:09 (1790931789)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 738 (time 1790931803.94 total 10.01 last 73.74)
 - open/close 1461 (time 1790931813.95 total 20.02 last 72.21)
 - open/close 2175 (time 1790931823.96 total 30.03 last 71.35)
 - open/close 2854 (time 1790931833.97 total 40.04 last 67.79)
 - open/close 3568 (time 1790931843.99 total 50.06 last 71.29)
 - open/close 4275 (time 1790931854.02 total 60.09 last 70.50)
 - open/close 4951 (time 1790931864.03 total 70.10 last 67.51)
 - open/close 5715 (time 1790931874.04 total 80.11 last 76.29)
 - open/close 6441 (time 1790931884.06 total 90.13 last 72.52)
 - open/close 7119 (time 1790931894.06 total 100.13 last 67.78)
 - open/close 7858 (time 1790931904.07 total 110.14 last 73.84)
total: 8000 open/close in 112.01 seconds: 71.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1790932076 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 810 (time 1790932200.84 total 10.00 last 80.98)
 - open/close 1508 (time 1790932210.85 total 20.01 last 69.72)
 - open/close 2241 (time 1790932220.86 total 30.02 last 73.26)
 - open/close 3035 (time 1790932230.87 total 40.03 last 79.29)
 - open/close 3815 (time 1790932240.88 total 50.04 last 77.90)
 - open/close 4614 (time 1790932250.89 total 60.05 last 79.85)
 - open/close 5434 (time 1790932260.89 total 70.05 last 82.00)
 - open/close 6234 (time 1790932270.89 total 80.05 last 79.98)
 - open/close 6948 (time 1790932280.90 total 90.06 last 71.36)
 - open/close 7746 (time 1790932290.90 total 100.06 last 79.78)
total: 8000 open/close in 103.06 seconds: 77.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1790932385 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second