== sanity test 124b: lru resize (performance test) ================================================================================= 11:08:36 (1761318516)
ldlm.namespaces.lustre-MDT0000-mdc-ffff919e88929800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff919e88929800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 747 (time 1761318530.67 total 10.00 last 74.68)
 - open/close 1501 (time 1761318540.67 total 20.00 last 75.39)
 - open/close 2167 (time 1761318550.68 total 30.01 last 66.54)
 - open/close 2866 (time 1761318560.68 total 40.02 last 69.85)
 - open/close 3655 (time 1761318570.68 total 50.02 last 78.90)
 - open/close 4381 (time 1761318580.69 total 60.03 last 72.54)
 - open/close 5097 (time 1761318590.70 total 70.04 last 71.55)
 - open/close 5835 (time 1761318600.70 total 80.04 last 73.77)
 - open/close 6512 (time 1761318610.72 total 90.05 last 67.62)
 - open/close 7225 (time 1761318620.74 total 100.07 last 71.16)
 - open/close 7957 (time 1761318630.74 total 110.08 last 73.15)
total: 8000 open/close in 110.73 seconds: 72.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
400
 - unlinked 0 (time 1761318717 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff919e88929800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff919e88929800.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 768 (time 1761318833.31 total 10.00 last 76.80)
 - open/close 1580 (time 1761318843.31 total 20.00 last 81.20)
 - open/close 2468 (time 1761318853.32 total 30.01 last 88.72)
 - open/close 3304 (time 1761318863.33 total 40.02 last 83.51)
 - open/close 4154 (time 1761318873.34 total 50.03 last 84.95)
 - open/close 4967 (time 1761318883.34 total 60.03 last 81.25)
 - open/close 5841 (time 1761318893.35 total 70.04 last 87.36)
 - open/close 6647 (time 1761318903.35 total 80.04 last 80.54)
 - open/close 7454 (time 1761318913.36 total 90.05 last 80.65)
total: 8000 open/close in 95.64 seconds: 83.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 23 seconds
lru_size = 4006
4001
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1761318950 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second