== sanity test 124b: lru resize (performance test) ================================================================================= 16:48:06 (1746132486)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1490 (time 1746132499.12 total 10.00 last 148.98)
 - open/close 3138 (time 1746132509.12 total 20.01 last 164.68)
 - open/close 4627 (time 1746132519.13 total 30.01 last 148.84)
 - open/close 6077 (time 1746132529.13 total 40.02 last 144.95)
 - open/close 7478 (time 1746132539.13 total 50.02 last 140.06)
total: 8000 open/close in 53.69 seconds: 149.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 400
400
 - unlinked 0 (time 1746132627 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1561 (time 1746132664.60 total 10.01 last 155.90)
 - open/close 2970 (time 1746132674.60 total 20.01 last 140.89)
 - open/close 4429 (time 1746132684.62 total 30.03 last 145.72)
 - open/close 5908 (time 1746132694.62 total 40.03 last 147.83)
 - open/close 7320 (time 1746132704.63 total 50.04 last 141.09)
total: 8000 open/close in 55.03 seconds: 145.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 25 seconds
lru_size = 4052
3955
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1746132744 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second