== sanity test 124b: lru resize (performance test) ================================================================================= 06:25:31 (1788517531)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 612 (time 1788517547.04 total 10.01 last 61.13)
 - open/close 1222 (time 1788517557.05 total 20.01 last 61.00)
 - open/close 1850 (time 1788517567.06 total 30.03 last 62.71)
 - open/close 2503 (time 1788517577.07 total 40.03 last 65.25)
 - open/close 3192 (time 1788517587.07 total 50.04 last 68.85)
 - open/close 3828 (time 1788517597.10 total 60.07 last 63.40)
 - open/close 4517 (time 1788517607.11 total 70.08 last 68.87)
 - open/close 5331 (time 1788517617.11 total 80.08 last 81.35)
 - open/close 6154 (time 1788517627.12 total 90.08 last 82.29)
 - open/close 6893 (time 1788517637.13 total 100.09 last 73.83)
 - open/close 7570 (time 1788517647.13 total 110.10 last 67.66)
total: 8000 open/close in 116.18 seconds: 68.86 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 1788517840 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 891 (time 1788517961.84 total 10.01 last 89.04)
 - open/close 1703 (time 1788517971.86 total 20.02 last 81.07)
 - open/close 2446 (time 1788517981.87 total 30.03 last 74.24)
 - open/close 3264 (time 1788517991.87 total 40.04 last 81.73)
 - open/close 3933 (time 1788518001.89 total 50.06 last 66.79)
 - open/close 4723 (time 1788518011.89 total 60.06 last 78.99)
 - open/close 5465 (time 1788518021.89 total 70.06 last 74.19)
 - open/close 6087 (time 1788518031.89 total 80.06 last 62.19)
 - open/close 6575 (time 1788518041.90 total 90.07 last 48.75)
 - open/close 7096 (time 1788518051.91 total 100.08 last 52.07)
 - open/close 7884 (time 1788518061.91 total 110.08 last 78.79)
total: 8000 open/close in 111.45 seconds: 71.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788518193 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second