== sanity test 124b: lru resize (performance test) ================================================================================= 22:27:20 (1789093640)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 708 (time 1789093655.12 total 10.00 last 70.80)
 - open/close 1475 (time 1789093665.12 total 20.00 last 76.67)
 - open/close 2080 (time 1789093675.14 total 30.02 last 60.42)
 - open/close 2674 (time 1789093685.14 total 40.03 last 59.35)
 - open/close 3413 (time 1789093695.15 total 50.03 last 73.86)
 - open/close 4044 (time 1789093705.17 total 60.05 last 62.98)
 - open/close 4655 (time 1789093715.17 total 70.05 last 61.08)
 - open/close 5278 (time 1789093725.19 total 80.07 last 62.20)
 - open/close 6029 (time 1789093735.19 total 90.07 last 75.10)
 - open/close 6857 (time 1789093745.19 total 100.07 last 82.79)
 - open/close 7590 (time 1789093755.21 total 110.09 last 73.17)
total: 8000 open/close in 116.14 seconds: 68.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1789093947 ; total 0 ; last 0)
total: 8000 unlinks in 128 seconds: 62.500000 unlinks/second
 - open/close 725 (time 1789094091.14 total 10.00 last 72.49)
 - open/close 1444 (time 1789094101.14 total 20.01 last 71.85)
 - open/close 2157 (time 1789094111.15 total 30.02 last 71.23)
 - open/close 2926 (time 1789094121.17 total 40.04 last 76.73)
 - open/close 3682 (time 1789094131.18 total 50.05 last 75.54)
 - open/close 4273 (time 1789094141.19 total 60.05 last 59.08)
 - open/close 5015 (time 1789094151.19 total 70.06 last 74.15)
 - open/close 5702 (time 1789094161.21 total 80.07 last 68.60)
 - open/close 6275 (time 1789094171.22 total 90.09 last 57.23)
 - open/close 6897 (time 1789094181.24 total 100.11 last 62.07)
 - open/close 7506 (time 1789094191.25 total 110.11 last 60.88)
total: 8000 open/close in 117.15 seconds: 68.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1789094313 ; total 1 ; last 1)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second