== sanity test 124b: lru resize (performance test) ================================================================================= 16:02:24 (1786046544)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 798 (time 1786046557.74 total 10.00 last 79.79)
 - open/close 1661 (time 1786046567.75 total 20.01 last 86.25)
 - open/close 2475 (time 1786046577.76 total 30.02 last 81.32)
 - open/close 3386 (time 1786046587.76 total 40.02 last 91.10)
 - open/close 4200 (time 1786046597.76 total 50.02 last 81.39)
 - open/close 5053 (time 1786046607.77 total 60.03 last 85.22)
 - open/close 5894 (time 1786046617.77 total 70.03 last 84.07)
 - open/close 6731 (time 1786046627.77 total 80.03 last 83.69)
 - open/close 7413 (time 1786046637.78 total 90.04 last 68.17)
total: 8000 open/close in 98.49 seconds: 81.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 177 seconds
lru_size = 400
 - unlinked 0 (time 1786046832 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 731 (time 1786046972.37 total 10.01 last 73.03)
 - open/close 1415 (time 1786046982.38 total 20.02 last 68.34)
 - open/close 1939 (time 1786046992.39 total 30.02 last 52.37)
 - open/close 2592 (time 1786047002.42 total 40.05 last 65.11)
 - open/close 3251 (time 1786047012.42 total 50.05 last 65.90)
 - open/close 3909 (time 1786047022.42 total 60.05 last 65.79)
 - open/close 4639 (time 1786047032.42 total 70.06 last 72.96)
 - open/close 5297 (time 1786047042.43 total 80.06 last 65.77)
 - open/close 5959 (time 1786047052.43 total 90.07 last 66.18)
 - open/close 6614 (time 1786047062.45 total 100.09 last 65.38)
 - open/close 7188 (time 1786047072.46 total 110.10 last 57.31)
 - open/close 7835 (time 1786047082.48 total 120.11 last 64.62)
total: 8000 open/close in 122.51 seconds: 65.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786047207 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second