== sanity test 124b: lru resize (performance test) ================================================================================= 21:32:13 (1786411933)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 765 (time 1786411948.72 total 10.02 last 76.38)
 - open/close 1707 (time 1786411958.72 total 20.02 last 94.18)
 - open/close 2523 (time 1786411968.75 total 30.05 last 81.36)
 - open/close 3427 (time 1786411978.75 total 40.05 last 90.38)
 - open/close 4312 (time 1786411988.76 total 50.06 last 88.46)
 - open/close 5127 (time 1786411998.76 total 60.06 last 81.46)
 - open/close 6057 (time 1786412008.77 total 70.06 last 92.96)
 - open/close 7049 (time 1786412018.77 total 80.07 last 99.12)
 - open/close 7900 (time 1786412028.78 total 90.08 last 85.04)
total: 8000 open/close in 91.18 seconds: 87.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 120 seconds
lru_size = 400
400
 - unlinked 0 (time 1786412160 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 922 (time 1786412267.36 total 10.01 last 92.15)
 - open/close 1774 (time 1786412277.36 total 20.01 last 85.19)
 - open/close 2674 (time 1786412287.36 total 30.01 last 89.98)
 - open/close 3596 (time 1786412297.36 total 40.01 last 92.18)
 - open/close 4525 (time 1786412307.37 total 50.02 last 92.79)
 - open/close 5491 (time 1786412317.38 total 60.03 last 96.55)
 - open/close 6460 (time 1786412327.38 total 70.03 last 96.86)
 - open/close 7419 (time 1786412337.38 total 80.03 last 95.86)
total: 8000 open/close in 85.70 seconds: 93.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 4052
3955
ls -la is 7% faster with lru resize enabled
 - unlinked 0 (time 1786412472 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second