== sanity test 124b: lru resize (performance test) ================================================================================= 01:31:16 (1746077476)
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 1726 (time 1746077488.05 total 10.01 last 172.50)
 - open/close 3491 (time 1746077498.05 total 20.01 last 176.47)
 - open/close 5235 (time 1746077508.05 total 30.01 last 174.37)
 - open/close 7048 (time 1746077518.06 total 40.02 last 181.10)
total: 8000 open/close in 45.51 seconds: 175.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
400
 - unlinked 0 (time 1746077600 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1697 (time 1746077637.27 total 10.00 last 169.67)
 - open/close 3730 (time 1746077647.27 total 20.00 last 203.24)
 - open/close 5894 (time 1746077657.28 total 30.01 last 216.34)
total: 8000 open/close in 39.67 seconds: 201.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 16 seconds
lru_size = 4052
3955
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1746077690 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second