== sanity test 124b: lru resize (performance test) ================================================================================= 11:39:08 (1787153948)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 717 (time 1787153963.01 total 10.00 last 71.70)
 - open/close 1381 (time 1787153973.01 total 20.00 last 66.38)
 - open/close 2039 (time 1787153983.01 total 30.00 last 65.79)
 - open/close 2736 (time 1787153993.02 total 40.02 last 69.61)
 - open/close 3407 (time 1787154003.02 total 50.02 last 67.10)
 - open/close 4079 (time 1787154013.03 total 60.03 last 67.15)
 - open/close 4759 (time 1787154023.03 total 70.03 last 67.99)
 - open/close 5469 (time 1787154033.06 total 80.05 last 70.81)
 - open/close 6196 (time 1787154043.06 total 90.06 last 72.68)
 - open/close 6892 (time 1787154053.07 total 100.06 last 69.55)
 - open/close 7665 (time 1787154063.07 total 110.07 last 77.26)
total: 8000 open/close in 114.79 seconds: 69.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1787154250 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 644 (time 1787154374.07 total 10.01 last 64.33)
 - open/close 1275 (time 1787154384.08 total 20.02 last 63.06)
 - open/close 1913 (time 1787154394.08 total 30.02 last 63.77)
 - open/close 2700 (time 1787154404.09 total 40.03 last 78.63)
 - open/close 3359 (time 1787154414.10 total 50.04 last 65.84)
 - open/close 4093 (time 1787154424.11 total 60.05 last 73.34)
 - open/close 4787 (time 1787154434.11 total 70.05 last 69.39)
 - open/close 5465 (time 1787154444.14 total 80.08 last 67.60)
 - open/close 6146 (time 1787154454.15 total 90.09 last 68.00)
 - open/close 6880 (time 1787154464.16 total 100.10 last 73.34)
 - open/close 7565 (time 1787154474.17 total 110.11 last 68.44)
total: 8000 open/close in 116.79 seconds: 68.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8006
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787154585 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second