== sanity test 124b: lru resize (performance test) ================================================================================= 19:19:49 (1746141589)
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 1637 (time 1746141602.16 total 10.00 last 163.65)
 - open/close 3548 (time 1746141612.17 total 20.01 last 191.02)
 - open/close 5479 (time 1746141622.17 total 30.01 last 193.01)
 - open/close 7405 (time 1746141632.18 total 40.02 last 192.51)
total: 8000 open/close in 43.79 seconds: 182.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1746141708 ; total 0 ; last 0)
total: 8000 unlinks in 35 seconds: 228.571426 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1640 (time 1746141755.09 total 10.00 last 163.97)
 - open/close 3257 (time 1746141765.10 total 20.00 last 161.66)
 - open/close 4649 (time 1746141775.10 total 30.01 last 139.18)
 - open/close 6076 (time 1746141785.10 total 40.01 last 142.70)
 - open/close 7456 (time 1746141795.10 total 50.01 last 137.94)
total: 8000 open/close in 53.64 seconds: 149.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 33 seconds
lru_size = 4052
3955
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1746141840 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second