== sanity test 124b: lru resize (performance test) ================================================================================= 01:01:40 (1788757300)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 529 (time 1788757317.38 total 10.02 last 52.80)
 - open/close 1080 (time 1788757327.40 total 20.04 last 54.98)
 - open/close 1603 (time 1788757337.42 total 30.06 last 52.22)
 - open/close 2170 (time 1788757347.43 total 40.07 last 56.65)
 - open/close 2781 (time 1788757357.44 total 50.08 last 61.02)
 - open/close 3297 (time 1788757367.44 total 60.08 last 51.58)
 - open/close 3812 (time 1788757377.45 total 70.09 last 51.46)
 - open/close 4377 (time 1788757387.48 total 80.12 last 56.34)
 - open/close 4998 (time 1788757397.50 total 90.14 last 61.98)
 - open/close 5550 (time 1788757407.51 total 100.15 last 55.11)
 - open/close 6119 (time 1788757417.53 total 110.17 last 56.81)
 - open/close 6724 (time 1788757427.55 total 120.19 last 60.38)
 - open/close 7335 (time 1788757437.59 total 130.23 last 60.83)
 - open/close 7925 (time 1788757447.59 total 140.23 last 58.99)
total: 8000 open/close in 141.42 seconds: 56.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
 - unlinked 0 (time 1788757652 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 677 (time 1788757779.19 total 10.01 last 67.64)
 - open/close 1412 (time 1788757789.20 total 20.02 last 73.42)
 - open/close 2176 (time 1788757799.21 total 30.02 last 76.38)
 - open/close 2929 (time 1788757809.21 total 40.03 last 75.26)
 - open/close 3624 (time 1788757819.23 total 50.04 last 69.41)
 - open/close 4394 (time 1788757829.24 total 60.05 last 76.89)
 - open/close 5227 (time 1788757839.25 total 70.06 last 83.24)
 - open/close 5983 (time 1788757849.25 total 80.06 last 75.60)
 - open/close 6747 (time 1788757859.25 total 90.06 last 76.39)
 - open/close 7504 (time 1788757869.26 total 100.07 last 75.63)
total: 8000 open/close in 107.03 seconds: 74.75 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 58% faster with lru resize enabled
 - unlinked 0 (time 1788757973 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second