== sanity test 124b: lru resize (performance test) ================================================================================= 15:30:43 (1776195043)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9df702dca000.lru_size=400
 - open/close 778 (time 1776195056.81 total 10.01 last 77.73)
 - open/close 1521 (time 1776195066.82 total 20.02 last 74.25)
 - open/close 2343 (time 1776195076.84 total 30.04 last 82.01)
 - open/close 3110 (time 1776195086.85 total 40.04 last 76.68)
 - open/close 3908 (time 1776195096.85 total 50.05 last 79.76)
 - open/close 4624 (time 1776195106.86 total 60.06 last 71.51)
 - open/close 5323 (time 1776195116.87 total 70.06 last 69.88)
 - open/close 6002 (time 1776195126.87 total 80.07 last 67.87)
 - open/close 6816 (time 1776195136.88 total 90.07 last 81.37)
 - open/close 7484 (time 1776195146.88 total 100.07 last 66.78)
total: 8000 open/close in 107.16 seconds: 74.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
 - unlinked 0 (time 1776195244 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9df702dca000.lru_size=0
 - open/close 821 (time 1776195362.10 total 10.01 last 82.05)
 - open/close 1605 (time 1776195372.11 total 20.02 last 78.33)
 - open/close 2341 (time 1776195382.12 total 30.03 last 73.47)
 - open/close 3117 (time 1776195392.13 total 40.04 last 77.55)
 - open/close 3903 (time 1776195402.14 total 50.05 last 78.51)
 - open/close 4685 (time 1776195412.15 total 60.06 last 78.16)
 - open/close 5488 (time 1776195422.16 total 70.07 last 80.15)
 - open/close 6277 (time 1776195432.17 total 80.08 last 78.88)
 - open/close 7003 (time 1776195442.19 total 90.09 last 72.46)
 - open/close 7770 (time 1776195452.19 total 100.10 last 76.66)
total: 8000 open/close in 102.76 seconds: 77.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1776195505 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second