== sanity test 124b: lru resize (performance test) ================================================================================= 16:54:19 (1788296059)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 804 (time 1788296074.67 total 10.01 last 80.29)
 - open/close 1578 (time 1788296084.69 total 20.03 last 77.30)
 - open/close 2340 (time 1788296094.70 total 30.04 last 76.09)
 - open/close 3143 (time 1788296104.72 total 40.06 last 80.17)
 - open/close 3878 (time 1788296114.73 total 50.07 last 73.42)
 - open/close 4601 (time 1788296124.74 total 60.08 last 72.24)
 - open/close 5330 (time 1788296134.74 total 70.08 last 72.89)
 - open/close 6164 (time 1788296144.75 total 80.09 last 83.26)
 - open/close 6943 (time 1788296154.76 total 90.10 last 77.85)
 - open/close 7722 (time 1788296164.78 total 100.11 last 77.79)
total: 8000 open/close in 104.08 seconds: 76.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1788296328 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
 - open/close 772 (time 1788296453.29 total 10.01 last 77.16)
 - open/close 1524 (time 1788296463.29 total 20.01 last 75.18)
 - open/close 2303 (time 1788296473.30 total 30.02 last 77.85)
 - open/close 3108 (time 1788296483.30 total 40.02 last 80.44)
 - open/close 3924 (time 1788296493.31 total 50.03 last 81.57)
 - open/close 4678 (time 1788296503.31 total 60.03 last 75.39)
 - open/close 5494 (time 1788296513.31 total 70.03 last 81.58)
 - open/close 6261 (time 1788296523.31 total 80.03 last 76.68)
 - open/close 7010 (time 1788296533.33 total 90.05 last 74.79)
 - open/close 7831 (time 1788296543.35 total 100.07 last 81.89)
total: 8000 open/close in 102.15 seconds: 78.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788296649 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second