== sanity test 124b: lru resize (performance test) ================================================================================= 01:44:30 (1726119870)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aa43f000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aa43f000.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2330 (time 1726119881.57 total 10.00 last 232.94)
 - open/close 4623 (time 1726119891.58 total 20.00 last 229.27)
 - open/close 6966 (time 1726119901.58 total 30.01 last 234.23)
total: 8000 open/close in 34.46 seconds: 232.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 400
400
 - unlinked 0 (time 1726119958 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aa43f000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aa43f000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2463 (time 1726120001.69 total 10.00 last 246.20)
 - open/close 4758 (time 1726120011.70 total 20.01 last 229.45)
 - open/close 7177 (time 1726120021.70 total 30.01 last 241.84)
total: 8000 open/close in 33.54 seconds: 238.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 79% faster with lru resize enabled
 - unlinked 0 (time 1726120038 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second