== sanity test 124b: lru resize (performance test) ================================================================================= 18:53:49 (1776207229) ldlm.namespaces.lustre-MDT0000-mdc-ffff9936430b3800.lru_size=400 ldlm.namespaces.lustre-MDT0001-mdc-ffff9936430b3800.lru_size=400 striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize - open/close 652 (time 1776207244.80 total 10.01 last 65.14) - open/close 1332 (time 1776207254.80 total 20.01 last 67.96) - open/close 1992 (time 1776207264.81 total 30.03 last 65.92) - open/close 2621 (time 1776207274.83 total 40.04 last 62.83) - open/close 3226 (time 1776207284.83 total 50.04 last 60.47) - open/close 3899 (time 1776207294.83 total 60.05 last 67.28) - open/close 4650 (time 1776207304.84 total 70.05 last 75.08) - open/close 5332 (time 1776207314.84 total 80.06 last 68.15) - open/close 6017 (time 1776207324.85 total 90.06 last 68.47) - open/close 6815 (time 1776207334.85 total 100.06 last 79.78) - open/close 7596 (time 1776207344.86 total 110.07 last 78.08) total: 8000 open/close in 115.11 seconds: 69.50 ops/second doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times ls -la time: 85 seconds lru_size = 400 400 - unlinked 0 (time 1776207444 ; total 0 ; last 0) total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second ldlm.namespaces.lustre-MDT0000-mdc-ffff9936430b3800.lru_size=0 ldlm.namespaces.lustre-MDT0001-mdc-ffff9936430b3800.lru_size=0 striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize - open/close 553 (time 1776207571.62 total 10.00 last 55.28) - open/close 1273 (time 1776207581.63 total 20.01 last 71.97) - open/close 2027 (time 1776207591.63 total 30.01 last 75.39) - open/close 2812 (time 1776207601.64 total 40.02 last 78.42) - open/close 3555 (time 1776207611.65 total 50.03 last 74.22) - open/close 4307 (time 1776207621.65 total 60.03 last 75.18) - open/close 5165 (time 1776207631.66 total 70.04 last 85.76) - open/close 5911 (time 1776207641.67 total 80.05 last 74.53) - open/close 6651 (time 1776207651.67 total 90.05 last 73.97) - open/close 7410 (time 1776207661.69 total 100.07 last 75.78) total: 8000 open/close in 108.74 seconds: 73.57 ops/second doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times ls -la time: 43 seconds lru_size = 4006 4001 ls -la is 49% faster with lru resize enabled - unlinked 0 (time 1776207728 ; total 0 ; last 0) total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second