== sanity test 124b: lru resize (performance test) ================================================================================= 05:39:39 (1761125979)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8b9bc5e83000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8b9bc5e83000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 794 (time 1761125992.58 total 10.00 last 79.37)
 - open/close 1583 (time 1761126002.59 total 20.02 last 78.79)
 - open/close 2366 (time 1761126012.59 total 30.02 last 78.28)
 - open/close 3156 (time 1761126022.61 total 40.03 last 78.89)
 - open/close 3979 (time 1761126032.62 total 50.04 last 82.22)
 - open/close 4834 (time 1761126042.63 total 60.06 last 85.35)
 - open/close 5723 (time 1761126052.64 total 70.06 last 88.87)
 - open/close 6566 (time 1761126062.64 total 80.07 last 84.27)
 - open/close 7375 (time 1761126072.64 total 90.07 last 80.86)
total: 8000 open/close in 97.34 seconds: 82.19 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 1761126160 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8b9bc5e83000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8b9bc5e83000.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 845 (time 1761126268.50 total 10.00 last 84.49)
 - open/close 1690 (time 1761126278.51 total 20.01 last 84.42)
 - open/close 2527 (time 1761126288.51 total 30.01 last 83.70)
 - open/close 3249 (time 1761126298.53 total 40.03 last 72.08)
 - open/close 4089 (time 1761126308.53 total 50.03 last 83.98)
 - open/close 4907 (time 1761126318.55 total 60.05 last 81.64)
 - open/close 5732 (time 1761126328.56 total 70.06 last 82.44)
 - open/close 6554 (time 1761126338.56 total 80.06 last 82.20)
 - open/close 7392 (time 1761126348.57 total 90.07 last 83.69)
total: 8000 open/close in 97.84 seconds: 81.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 37 seconds
lru_size = 4006
4001
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1761126404 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second