== sanity test 124b: lru resize (performance test) ================================================================================= 07:16:20 (1789298180)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 756 (time 1789298195.46 total 10.00 last 75.60)
 - open/close 1478 (time 1789298205.46 total 20.01 last 72.16)
 - open/close 2273 (time 1789298215.48 total 30.03 last 79.33)
 - open/close 3120 (time 1789298225.49 total 40.04 last 84.63)
 - open/close 3915 (time 1789298235.49 total 50.04 last 79.49)
 - open/close 4728 (time 1789298245.50 total 60.04 last 81.27)
 - open/close 5490 (time 1789298255.50 total 70.04 last 76.20)
 - open/close 6294 (time 1789298265.50 total 80.04 last 80.39)
 - open/close 7169 (time 1789298275.51 total 90.05 last 87.44)
total: 8000 open/close in 99.74 seconds: 80.21 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 1789298449 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 757 (time 1789298572.54 total 10.02 last 75.58)
 - open/close 1424 (time 1789298582.54 total 20.02 last 66.66)
 - open/close 2214 (time 1789298592.55 total 30.03 last 78.94)
 - open/close 2920 (time 1789298602.55 total 40.03 last 70.60)
 - open/close 3718 (time 1789298612.56 total 50.04 last 79.73)
 - open/close 4522 (time 1789298622.59 total 60.07 last 80.18)
 - open/close 5349 (time 1789298632.59 total 70.07 last 82.68)
 - open/close 6209 (time 1789298642.60 total 80.07 last 85.94)
 - open/close 6775 (time 1789298652.60 total 90.08 last 56.58)
 - open/close 7585 (time 1789298662.61 total 100.09 last 80.90)
total: 8000 open/close in 105.04 seconds: 76.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1789298770 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second