== sanity test 124b: lru resize (performance test) ================================================================================= 05:32:46 (1789032766)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 625 (time 1789032781.62 total 10.00 last 62.49)
 - open/close 1280 (time 1789032791.63 total 20.01 last 65.48)
 - open/close 1910 (time 1789032801.65 total 30.03 last 62.83)
 - open/close 2567 (time 1789032811.66 total 40.04 last 65.64)
 - open/close 3164 (time 1789032821.67 total 50.05 last 59.62)
 - open/close 3795 (time 1789032831.67 total 60.05 last 63.10)
 - open/close 4441 (time 1789032841.69 total 70.06 last 64.53)
 - open/close 5095 (time 1789032851.70 total 80.08 last 65.33)
 - open/close 5752 (time 1789032861.70 total 90.08 last 65.69)
 - open/close 6405 (time 1789032871.70 total 100.08 last 65.29)
 - open/close 7110 (time 1789032881.72 total 110.10 last 70.35)
 - open/close 7778 (time 1789032891.72 total 120.10 last 66.78)
total: 8000 open/close in 123.15 seconds: 64.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1789033083 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 623 (time 1789033209.39 total 10.00 last 62.29)
 - open/close 1318 (time 1789033219.40 total 20.01 last 69.47)
 - open/close 1977 (time 1789033229.41 total 30.02 last 65.81)
 - open/close 2642 (time 1789033239.43 total 40.04 last 66.39)
 - open/close 3346 (time 1789033249.43 total 50.04 last 70.39)
 - open/close 4074 (time 1789033259.44 total 60.05 last 72.74)
 - open/close 4737 (time 1789033269.44 total 70.05 last 66.29)
 - open/close 5315 (time 1789033279.45 total 80.06 last 57.71)
 - open/close 5949 (time 1789033289.45 total 90.06 last 63.39)
 - open/close 6597 (time 1789033299.47 total 100.07 last 64.73)
 - open/close 7252 (time 1789033309.48 total 110.08 last 65.43)
 - open/close 7908 (time 1789033319.48 total 120.09 last 65.56)
total: 8000 open/close in 121.70 seconds: 65.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1789033438 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second