== sanity test 124b: lru resize (performance test) ================================================================================= 01:12:58 (1790745178)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 619 (time 1790745194.45 total 10.01 last 61.85)
 - open/close 1167 (time 1790745204.46 total 20.01 last 54.76)
 - open/close 1823 (time 1790745214.47 total 30.02 last 65.54)
 - open/close 2520 (time 1790745224.49 total 40.04 last 69.56)
 - open/close 3200 (time 1790745234.50 total 50.06 last 67.93)
 - open/close 3854 (time 1790745244.50 total 60.06 last 65.38)
 - open/close 4465 (time 1790745254.54 total 70.09 last 60.90)
 - open/close 5035 (time 1790745264.55 total 80.10 last 56.94)
 - open/close 5607 (time 1790745274.57 total 90.12 last 57.09)
 - open/close 6142 (time 1790745284.58 total 100.14 last 53.40)
 - open/close 6700 (time 1790745294.60 total 110.15 last 55.73)
 - open/close 7250 (time 1790745304.62 total 120.17 last 54.89)
 - open/close 7870 (time 1790745314.63 total 130.18 last 61.94)
total: 8000 open/close in 132.35 seconds: 60.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1790745504 ; total 0 ; last 0)
total: 8000 unlinks in 137 seconds: 58.394161 unlinks/second
 - open/close 627 (time 1790745656.08 total 10.00 last 62.68)
 - open/close 1291 (time 1790745666.08 total 20.00 last 66.40)
 - open/close 1860 (time 1790745676.09 total 30.02 last 56.80)
 - open/close 2510 (time 1790745686.10 total 40.02 last 64.98)
 - open/close 3189 (time 1790745696.10 total 50.03 last 67.85)
 - open/close 3819 (time 1790745706.11 total 60.04 last 62.95)
 - open/close 4463 (time 1790745716.12 total 70.05 last 64.35)
 - open/close 5093 (time 1790745726.13 total 80.06 last 62.92)
 - open/close 5712 (time 1790745736.14 total 90.07 last 61.83)
 - open/close 6309 (time 1790745746.15 total 100.08 last 59.64)
 - open/close 6852 (time 1790745756.15 total 110.08 last 54.30)
 - open/close 7435 (time 1790745766.15 total 120.08 last 58.29)
total: 8000 open/close in 128.98 seconds: 62.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1790745890 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second