== sanity test 124b: lru resize (performance test) ================================================================================= 05:19:48 (1789031988)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 768 (time 1789032002.91 total 10.00 last 76.77)
 - open/close 1557 (time 1789032012.91 total 20.01 last 78.89)
 - open/close 2378 (time 1789032022.92 total 30.01 last 82.06)
 - open/close 3128 (time 1789032032.92 total 40.02 last 74.96)
 - open/close 3851 (time 1789032042.94 total 50.04 last 72.16)
 - open/close 4513 (time 1789032052.95 total 60.04 last 66.18)
 - open/close 5281 (time 1789032062.95 total 70.04 last 76.77)
 - open/close 6068 (time 1789032072.95 total 80.05 last 78.67)
 - open/close 6828 (time 1789032082.97 total 90.06 last 75.91)
 - open/close 7623 (time 1789032092.97 total 100.06 last 79.50)
total: 8000 open/close in 105.23 seconds: 76.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1789032268 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 851 (time 1789032394.80 total 10.01 last 84.99)
 - open/close 1559 (time 1789032404.80 total 20.02 last 70.78)
 - open/close 2386 (time 1789032414.81 total 30.03 last 82.61)
 - open/close 3155 (time 1789032424.83 total 40.04 last 76.81)
 - open/close 3971 (time 1789032434.84 total 50.06 last 81.46)
 - open/close 4637 (time 1789032444.85 total 60.06 last 66.55)
 - open/close 5257 (time 1789032454.86 total 70.07 last 61.95)
 - open/close 5967 (time 1789032464.86 total 80.07 last 70.98)
 - open/close 6711 (time 1789032474.87 total 90.09 last 74.31)
 - open/close 7562 (time 1789032484.87 total 100.09 last 85.08)
total: 8000 open/close in 105.53 seconds: 75.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1789032589 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second