== sanity test 124b: lru resize (performance test) ================================================================================= 14:56:25 (1788807385)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 820 (time 1788807399.63 total 10.01 last 81.95)
 - open/close 1607 (time 1788807409.64 total 20.02 last 78.62)
 - open/close 2439 (time 1788807419.64 total 30.02 last 83.17)
 - open/close 3278 (time 1788807429.65 total 40.02 last 83.86)
 - open/close 4118 (time 1788807439.65 total 50.03 last 83.97)
 - open/close 4972 (time 1788807449.67 total 60.05 last 85.20)
 - open/close 5868 (time 1788807459.68 total 70.06 last 89.54)
 - open/close 6892 (time 1788807469.68 total 80.06 last 102.37)
 - open/close 7844 (time 1788807479.69 total 90.06 last 95.18)
total: 8000 open/close in 91.73 seconds: 87.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1788807641 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 801 (time 1788807757.83 total 10.00 last 80.06)
 - open/close 1529 (time 1788807767.83 total 20.01 last 72.79)
 - open/close 2247 (time 1788807777.86 total 30.03 last 71.65)
 - open/close 2985 (time 1788807787.87 total 40.04 last 73.73)
 - open/close 3765 (time 1788807797.88 total 50.05 last 77.92)
 - open/close 4548 (time 1788807807.90 total 60.08 last 78.08)
 - open/close 5364 (time 1788807817.91 total 70.08 last 81.58)
 - open/close 6132 (time 1788807827.91 total 80.09 last 76.74)
 - open/close 6890 (time 1788807837.93 total 90.10 last 75.69)
 - open/close 7715 (time 1788807847.94 total 100.11 last 82.43)
total: 8000 open/close in 103.14 seconds: 77.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788807949 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second