== sanity test 124b: lru resize (performance test) ================================================================================= 19:17:56 (1788823076)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 718 (time 1788823089.52 total 10.04 last 71.55)
 - open/close 1480 (time 1788823099.52 total 20.04 last 76.17)
 - open/close 2195 (time 1788823109.53 total 30.05 last 71.39)
 - open/close 2919 (time 1788823119.54 total 40.06 last 72.36)
 - open/close 3713 (time 1788823129.55 total 50.07 last 79.34)
 - open/close 4382 (time 1788823139.55 total 60.07 last 66.89)
 - open/close 5083 (time 1788823149.56 total 70.08 last 70.04)
 - open/close 5632 (time 1788823159.57 total 80.09 last 54.84)
 - open/close 6294 (time 1788823169.57 total 90.09 last 66.17)
 - open/close 7060 (time 1788823179.58 total 100.10 last 76.54)
 - open/close 7766 (time 1788823189.59 total 110.11 last 70.56)
total: 8000 open/close in 113.45 seconds: 70.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 199 seconds
lru_size = 400
 - unlinked 0 (time 1788823401 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 601 (time 1788823541.42 total 10.01 last 60.02)
 - open/close 1185 (time 1788823551.42 total 20.02 last 58.38)
 - open/close 1840 (time 1788823561.44 total 30.03 last 65.43)
 - open/close 2444 (time 1788823571.45 total 40.04 last 60.33)
 - open/close 3046 (time 1788823581.46 total 50.05 last 60.14)
 - open/close 3693 (time 1788823591.46 total 60.05 last 64.66)
 - open/close 4335 (time 1788823601.48 total 70.07 last 64.10)
 - open/close 4877 (time 1788823611.48 total 80.07 last 54.19)
 - open/close 5413 (time 1788823621.49 total 90.08 last 53.53)
 - open/close 6036 (time 1788823631.51 total 100.10 last 62.19)
 - open/close 6694 (time 1788823641.51 total 110.10 last 65.79)
 - open/close 7390 (time 1788823651.51 total 120.10 last 69.58)
total: 8000 open/close in 129.34 seconds: 61.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788823783 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second