== sanity test 124b: lru resize (performance test) ================================================================================= 11:09:17 (1788448157)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 711 (time 1788448172.28 total 10.00 last 71.07)
 - open/close 1459 (time 1788448182.28 total 20.01 last 74.77)
 - open/close 2142 (time 1788448192.28 total 30.01 last 68.27)
 - open/close 2809 (time 1788448202.30 total 40.03 last 66.58)
 - open/close 3438 (time 1788448212.30 total 50.03 last 62.89)
 - open/close 4044 (time 1788448222.31 total 60.04 last 60.55)
 - open/close 4762 (time 1788448232.32 total 70.04 last 71.78)
 - open/close 5457 (time 1788448242.32 total 80.05 last 69.47)
 - open/close 6212 (time 1788448252.32 total 90.05 last 75.49)
 - open/close 6957 (time 1788448262.33 total 100.05 last 74.46)
 - open/close 7590 (time 1788448272.33 total 110.06 last 63.28)
total: 8000 open/close in 115.91 seconds: 69.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
 - unlinked 0 (time 1788448466 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 696 (time 1788448593.46 total 10.01 last 69.51)
 - open/close 1458 (time 1788448603.47 total 20.03 last 76.07)
 - open/close 2182 (time 1788448613.48 total 30.04 last 72.34)
 - open/close 2924 (time 1788448623.49 total 40.04 last 74.16)
 - open/close 3643 (time 1788448633.49 total 50.05 last 71.89)
 - open/close 4410 (time 1788448643.49 total 60.05 last 76.69)
 - open/close 5186 (time 1788448653.50 total 70.06 last 77.53)
 - open/close 5914 (time 1788448663.51 total 80.06 last 72.74)
 - open/close 6675 (time 1788448673.52 total 90.08 last 75.98)
 - open/close 7458 (time 1788448683.53 total 100.09 last 78.22)
total: 8000 open/close in 107.02 seconds: 74.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788448793 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second