== sanity test 124b: lru resize (performance test) ================================================================================= 18:09:51 (1746137391)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1830 (time 1746137403.10 total 10.00 last 182.92)
 - open/close 3422 (time 1746137413.10 total 20.00 last 159.19)
 - open/close 5221 (time 1746137423.10 total 30.01 last 179.88)
 - open/close 6791 (time 1746137433.10 total 40.01 last 156.90)
total: 8000 open/close in 45.71 seconds: 175.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1746137507 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1837 (time 1746137551.89 total 10.00 last 183.65)
 - open/close 3388 (time 1746137561.89 total 20.01 last 155.04)
 - open/close 4948 (time 1746137571.89 total 30.01 last 155.97)
 - open/close 6483 (time 1746137581.89 total 40.01 last 153.47)
total: 8000 open/close in 48.94 seconds: 163.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 27 seconds
lru_size = 4052
3955
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1746137626 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second