== sanity test 124b: lru resize (performance test) ================================================================================= 10:43:56 (1761317036)
ldlm.namespaces.lustre-MDT0000-mdc-ffffa0430531a000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffffa0430531a000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 784 (time 1761317050.64 total 10.02 last 78.27)
 - open/close 1554 (time 1761317060.64 total 20.02 last 77.00)
 - open/close 2314 (time 1761317070.66 total 30.03 last 75.90)
 - open/close 3026 (time 1761317080.66 total 40.04 last 71.16)
 - open/close 3808 (time 1761317090.66 total 50.04 last 78.20)
 - open/close 4562 (time 1761317100.67 total 60.04 last 75.35)
 - open/close 5321 (time 1761317110.67 total 70.05 last 75.87)
 - open/close 6080 (time 1761317120.68 total 80.05 last 75.85)
 - open/close 6868 (time 1761317130.68 total 90.05 last 78.79)
 - open/close 7705 (time 1761317140.69 total 100.06 last 83.64)
total: 8000 open/close in 103.94 seconds: 76.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 400
400
 - unlinked 0 (time 1761317230 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffffa0430531a000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffffa0430531a000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 830 (time 1761317347.88 total 10.01 last 82.94)
 - open/close 1637 (time 1761317357.89 total 20.02 last 80.62)
 - open/close 2484 (time 1761317367.90 total 30.03 last 84.59)
 - open/close 3292 (time 1761317377.91 total 40.04 last 80.74)
 - open/close 4143 (time 1761317387.92 total 50.04 last 85.05)
 - open/close 5005 (time 1761317397.92 total 60.05 last 86.15)
 - open/close 5830 (time 1761317407.94 total 70.06 last 82.41)
 - open/close 6659 (time 1761317417.95 total 80.07 last 82.81)
 - open/close 7482 (time 1761317427.96 total 90.08 last 82.22)
total: 8000 open/close in 96.66 seconds: 82.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 33 seconds
lru_size = 4006
4001
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1761317477 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second