== sanity test 124b: lru resize (performance test) ================================================================================= 11:30:14 (1790955014)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 661 (time 1790955030.06 total 10.01 last 66.06)
 - open/close 1326 (time 1790955040.07 total 20.02 last 66.42)
 - open/close 2076 (time 1790955050.08 total 30.03 last 74.90)
 - open/close 2800 (time 1790955060.08 total 40.03 last 72.39)
 - open/close 3479 (time 1790955070.08 total 50.03 last 67.90)
 - open/close 4270 (time 1790955080.10 total 60.05 last 78.95)
 - open/close 5018 (time 1790955090.10 total 70.05 last 74.79)
 - open/close 5706 (time 1790955100.10 total 80.05 last 68.80)
 - open/close 6462 (time 1790955110.11 total 90.06 last 75.58)
 - open/close 7128 (time 1790955120.11 total 100.06 last 66.55)
 - open/close 7843 (time 1790955130.12 total 110.07 last 71.47)
total: 8000 open/close in 112.15 seconds: 71.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1790955306 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 710 (time 1790955432.98 total 10.00 last 70.98)
 - open/close 1422 (time 1790955442.99 total 20.01 last 71.14)
 - open/close 2003 (time 1790955453.04 total 30.06 last 57.81)
 - open/close 2521 (time 1790955463.05 total 40.07 last 51.76)
 - open/close 3113 (time 1790955473.05 total 50.07 last 59.18)
 - open/close 3952 (time 1790955483.06 total 60.08 last 83.86)
 - open/close 4747 (time 1790955493.07 total 70.09 last 79.42)
 - open/close 5468 (time 1790955503.07 total 80.09 last 72.06)
 - open/close 6204 (time 1790955513.07 total 90.10 last 73.59)
 - open/close 6967 (time 1790955523.08 total 100.10 last 76.26)
 - open/close 7768 (time 1790955533.10 total 110.12 last 79.94)
total: 8000 open/close in 113.28 seconds: 70.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1790955636 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second