== sanity test 124b: lru resize (performance test) ================================================================================= 06:14:06 (1787739246)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 828 (time 1787739259.71 total 10.00 last 82.78)
 - open/close 1644 (time 1787739269.72 total 20.01 last 81.54)
 - open/close 2503 (time 1787739279.72 total 30.01 last 85.89)
 - open/close 3283 (time 1787739289.72 total 40.01 last 77.99)
 - open/close 4123 (time 1787739299.73 total 50.02 last 83.96)
 - open/close 4914 (time 1787739309.73 total 60.02 last 79.08)
 - open/close 5689 (time 1787739319.73 total 70.02 last 77.49)
 - open/close 6483 (time 1787739329.74 total 80.03 last 79.32)
 - open/close 7275 (time 1787739339.75 total 90.04 last 79.09)
total: 8000 open/close in 99.59 seconds: 80.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1787739512 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 806 (time 1787739636.50 total 10.00 last 80.60)
 - open/close 1635 (time 1787739646.51 total 20.01 last 82.86)
 - open/close 2443 (time 1787739656.51 total 30.01 last 80.77)
 - open/close 3255 (time 1787739666.53 total 40.03 last 81.07)
 - open/close 4024 (time 1787739676.53 total 50.03 last 76.88)
 - open/close 4821 (time 1787739686.54 total 60.04 last 79.63)
 - open/close 5595 (time 1787739696.55 total 70.04 last 77.35)
 - open/close 6433 (time 1787739706.55 total 80.05 last 83.78)
 - open/close 7259 (time 1787739716.55 total 90.05 last 82.59)
total: 8000 open/close in 99.18 seconds: 80.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787739820 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second