== sanity test 124b: lru resize (performance test) ================================================================================= 18:29:13 (1788647353)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 805 (time 1788647368.20 total 10.00 last 80.50)
 - open/close 1592 (time 1788647378.21 total 20.01 last 78.61)
 - open/close 2368 (time 1788647388.22 total 30.02 last 77.55)
 - open/close 3151 (time 1788647398.22 total 40.02 last 78.25)
 - open/close 3989 (time 1788647408.22 total 50.03 last 83.77)
 - open/close 4844 (time 1788647418.23 total 60.03 last 85.45)
 - open/close 5728 (time 1788647428.25 total 70.05 last 88.25)
 - open/close 6474 (time 1788647438.27 total 80.07 last 74.44)
 - open/close 7265 (time 1788647448.27 total 90.07 last 79.10)
total: 8000 open/close in 99.21 seconds: 80.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1788647620 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
 - open/close 758 (time 1788647734.43 total 10.00 last 75.79)
 - open/close 1559 (time 1788647744.44 total 20.01 last 80.06)
 - open/close 2416 (time 1788647754.44 total 30.01 last 85.68)
 - open/close 3254 (time 1788647764.44 total 40.01 last 83.75)
 - open/close 4116 (time 1788647774.45 total 50.02 last 86.18)
 - open/close 5020 (time 1788647784.45 total 60.02 last 90.33)
 - open/close 5869 (time 1788647794.47 total 70.03 last 84.81)
 - open/close 6787 (time 1788647804.47 total 80.04 last 91.73)
 - open/close 7566 (time 1788647814.47 total 90.04 last 77.89)
total: 8000 open/close in 95.08 seconds: 84.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788647917 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second