== sanity test 124b: lru resize (performance test) ================================================================================= 18:34:14 (1786314854)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 758 (time 1786314869.20 total 10.01 last 75.73)
 - open/close 1545 (time 1786314879.22 total 20.02 last 78.61)
 - open/close 2314 (time 1786314889.22 total 30.03 last 76.85)
 - open/close 3088 (time 1786314899.23 total 40.04 last 77.33)
 - open/close 3876 (time 1786314909.24 total 50.04 last 78.74)
 - open/close 4688 (time 1786314919.25 total 60.06 last 81.07)
 - open/close 5547 (time 1786314929.27 total 70.07 last 85.80)
 - open/close 6276 (time 1786314939.27 total 80.07 last 72.90)
 - open/close 6965 (time 1786314949.28 total 90.08 last 68.83)
 - open/close 7740 (time 1786314959.29 total 100.09 last 77.40)
total: 8000 open/close in 103.07 seconds: 77.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
 - unlinked 0 (time 1786315153 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 749 (time 1786315271.12 total 10.01 last 74.80)
 - open/close 1665 (time 1786315281.13 total 20.03 last 91.48)
 - open/close 2470 (time 1786315291.13 total 30.03 last 80.50)
 - open/close 3336 (time 1786315301.14 total 40.03 last 86.53)
 - open/close 4188 (time 1786315311.14 total 50.04 last 85.15)
 - open/close 5014 (time 1786315321.14 total 60.04 last 82.60)
 - open/close 5915 (time 1786315331.15 total 70.05 last 90.03)
 - open/close 6766 (time 1786315341.15 total 80.05 last 85.08)
 - open/close 7634 (time 1786315351.16 total 90.06 last 86.72)
total: 8000 open/close in 94.59 seconds: 84.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1786315470 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second