== sanity test 124b: lru resize (performance test) ================================================================================= 12:12:51 (1786378371)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 925 (time 1786378385.15 total 10.02 last 92.35)
 - open/close 1737 (time 1786378395.16 total 20.02 last 81.13)
 - open/close 2535 (time 1786378405.16 total 30.03 last 79.73)
 - open/close 3384 (time 1786378415.17 total 40.04 last 84.85)
 - open/close 4183 (time 1786378425.17 total 50.04 last 79.86)
 - open/close 5021 (time 1786378435.18 total 60.05 last 83.75)
 - open/close 5867 (time 1786378445.19 total 70.06 last 84.54)
 - open/close 6785 (time 1786378455.19 total 80.06 last 91.74)
 - open/close 7626 (time 1786378465.20 total 90.07 last 84.03)
total: 8000 open/close in 94.85 seconds: 84.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 130 seconds
lru_size = 400
 - unlinked 0 (time 1786378607 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second
 - open/close 1523 (time 1786378680.41 total 10.01 last 152.19)
 - open/close 2725 (time 1786378690.42 total 20.01 last 120.14)
 - open/close 3915 (time 1786378700.42 total 30.01 last 118.97)
 - open/close 5151 (time 1786378710.42 total 40.02 last 123.52)
 - open/close 6645 (time 1786378720.44 total 50.03 last 149.20)
 - open/close 7916 (time 1786378730.44 total 60.04 last 127.04)
total: 8000 open/close in 60.80 seconds: 131.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 66% faster with lru resize enabled
 - unlinked 0 (time 1786378784 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second