== sanity test 124b: lru resize (performance test) ================================================================================= 13:37:44 (1790789864)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 877 (time 1790789878.56 total 10.01 last 87.60)
 - open/close 1633 (time 1790789888.56 total 20.01 last 75.60)
 - open/close 2347 (time 1790789898.57 total 30.02 last 71.32)
 - open/close 3233 (time 1790789908.58 total 40.03 last 88.54)
 - open/close 3640 (time 1790789918.60 total 50.05 last 40.60)
 - open/close 4184 (time 1790789928.60 total 60.05 last 54.39)
 - open/close 4775 (time 1790789938.60 total 70.06 last 59.07)
 - open/close 5457 (time 1790789948.61 total 80.06 last 68.17)
 - open/close 6096 (time 1790789958.62 total 90.07 last 63.84)
 - open/close 6857 (time 1790789968.63 total 100.08 last 76.03)
 - open/close 7676 (time 1790789978.63 total 110.08 last 81.88)
total: 8000 open/close in 113.79 seconds: 70.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1790790168 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
 - open/close 664 (time 1790790278.25 total 10.00 last 66.38)
 - open/close 1416 (time 1790790288.26 total 20.02 last 75.11)
 - open/close 2183 (time 1790790298.27 total 30.02 last 76.64)
 - open/close 3125 (time 1790790308.27 total 40.03 last 94.16)
 - open/close 4026 (time 1790790318.27 total 50.03 last 90.08)
 - open/close 4950 (time 1790790328.28 total 60.03 last 92.39)
 - open/close 5864 (time 1790790338.28 total 70.03 last 91.37)
 - open/close 6681 (time 1790790348.30 total 80.06 last 81.53)
 - open/close 7523 (time 1790790358.31 total 90.06 last 84.15)
total: 8000 open/close in 96.04 seconds: 83.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8009
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1790790489 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second