== sanity test 124b: lru resize (performance test) ================================================================================= 15:03:29 (1761246209)
ldlm.namespaces.lustre-MDT0000-mdc-ffff91a145c2f000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff91a145c2f000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 868 (time 1761246222.21 total 10.00 last 86.78)
 - open/close 1792 (time 1761246232.22 total 20.01 last 92.33)
 - open/close 2769 (time 1761246242.22 total 30.01 last 97.68)
 - open/close 3695 (time 1761246252.22 total 40.02 last 92.55)
 - open/close 4603 (time 1761246262.23 total 50.03 last 90.71)
 - open/close 5605 (time 1761246272.24 total 60.03 last 100.12)
 - open/close 6575 (time 1761246282.25 total 70.04 last 96.91)
 - open/close 7586 (time 1761246292.25 total 80.04 last 101.10)
total: 8000 open/close in 84.13 seconds: 95.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 400
400
 - unlinked 0 (time 1761246363 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff91a145c2f000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff91a145c2f000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 787 (time 1761246468.49 total 10.00 last 78.67)
 - open/close 1562 (time 1761246478.50 total 20.02 last 77.41)
 - open/close 2365 (time 1761246488.52 total 30.03 last 80.18)
 - open/close 3188 (time 1761246498.52 total 40.03 last 82.28)
 - open/close 4086 (time 1761246508.54 total 50.05 last 89.67)
 - open/close 4957 (time 1761246518.54 total 60.05 last 87.07)
 - open/close 5832 (time 1761246528.55 total 70.06 last 87.39)
 - open/close 6670 (time 1761246538.56 total 80.07 last 83.75)
 - open/close 7434 (time 1761246548.56 total 90.07 last 76.39)
total: 8000 open/close in 97.41 seconds: 82.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 30 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1761246596 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second