== sanity test 124b: lru resize (performance test) ================================================================================= 03:34:56 (1788939296)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 697 (time 1788939310.86 total 10.03 last 69.49)
 - open/close 1337 (time 1788939320.87 total 20.04 last 63.92)
 - open/close 2209 (time 1788939330.88 total 30.05 last 87.18)
 - open/close 3032 (time 1788939340.88 total 40.05 last 82.25)
 - open/close 3980 (time 1788939350.90 total 50.06 last 94.69)
 - open/close 4916 (time 1788939360.90 total 60.07 last 93.53)
 - open/close 5710 (time 1788939370.91 total 70.08 last 79.34)
 - open/close 6495 (time 1788939380.92 total 80.09 last 78.40)
 - open/close 7153 (time 1788939390.92 total 90.09 last 65.79)
 - open/close 7886 (time 1788939400.93 total 100.10 last 73.27)
total: 8000 open/close in 101.94 seconds: 78.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1788939570 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 639 (time 1788939705.86 total 10.01 last 63.86)
 - open/close 1560 (time 1788939715.86 total 20.01 last 92.06)
 - open/close 2456 (time 1788939725.89 total 30.03 last 89.39)
 - open/close 3273 (time 1788939735.90 total 40.04 last 81.61)
 - open/close 4052 (time 1788939745.90 total 50.05 last 77.86)
 - open/close 4883 (time 1788939755.90 total 60.05 last 83.09)
 - open/close 5805 (time 1788939765.91 total 70.06 last 92.11)
 - open/close 6534 (time 1788939775.92 total 80.06 last 72.87)
 - open/close 7237 (time 1788939785.92 total 90.07 last 70.29)
total: 8000 open/close in 98.90 seconds: 80.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788939916 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second