== sanity test 124b: lru resize (performance test) ================================================================================= 08:57:28 (1789390648)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 725 (time 1789390662.64 total 10.01 last 72.42)
 - open/close 1485 (time 1789390672.65 total 20.02 last 75.97)
 - open/close 2306 (time 1789390682.65 total 30.02 last 82.03)
 - open/close 3096 (time 1789390692.66 total 40.03 last 78.96)
 - open/close 3897 (time 1789390702.68 total 50.05 last 79.91)
 - open/close 4688 (time 1789390712.68 total 60.05 last 79.10)
 - open/close 5454 (time 1789390722.69 total 70.06 last 76.58)
 - open/close 6189 (time 1789390732.69 total 80.06 last 73.50)
 - open/close 6994 (time 1789390742.69 total 90.06 last 80.47)
 - open/close 7745 (time 1789390752.69 total 100.06 last 75.09)
total: 8000 open/close in 103.51 seconds: 77.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1789390923 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 818 (time 1789391051.15 total 10.01 last 81.75)
 - open/close 1629 (time 1789391061.15 total 20.01 last 81.09)
 - open/close 2464 (time 1789391071.16 total 30.02 last 83.40)
 - open/close 3264 (time 1789391081.17 total 40.03 last 79.92)
 - open/close 4108 (time 1789391091.17 total 50.03 last 84.37)
 - open/close 4876 (time 1789391101.19 total 60.04 last 76.72)
 - open/close 5681 (time 1789391111.19 total 70.05 last 80.44)
 - open/close 6452 (time 1789391121.19 total 80.05 last 77.10)
 - open/close 7217 (time 1789391131.20 total 90.06 last 76.43)
total: 8000 open/close in 99.84 seconds: 80.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1789391250 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second