== sanity test 124b: lru resize (performance test) ================================================================================= 01:23:56 (1746077036)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1678 (time 1746077048.56 total 10.00 last 167.78)
 - open/close 3360 (time 1746077058.56 total 20.01 last 168.13)
 - open/close 4921 (time 1746077068.57 total 30.01 last 156.00)
 - open/close 6379 (time 1746077078.58 total 40.02 last 145.73)
 - open/close 7865 (time 1746077088.58 total 50.03 last 148.47)
total: 8000 open/close in 50.92 seconds: 157.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
400
 - unlinked 0 (time 1746077158 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1622 (time 1746077199.78 total 10.00 last 162.19)
 - open/close 3180 (time 1746077209.78 total 20.00 last 155.74)
 - open/close 4864 (time 1746077219.78 total 30.00 last 168.40)
 - open/close 7076 (time 1746077229.78 total 40.00 last 221.20)
total: 8000 open/close in 44.58 seconds: 179.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 20 seconds
lru_size = 4052
3955
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1746077261 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second