== sanity test 124b: lru resize (performance test) ================================================================================= 16:09:47 (1758830987)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 831 (time 1758831001.86 total 10.01 last 83.05)
 - open/close 1661 (time 1758831011.87 total 20.02 last 82.92)
 - open/close 2524 (time 1758831021.88 total 30.02 last 86.22)
 - open/close 3374 (time 1758831031.88 total 40.03 last 85.00)
 - open/close 4242 (time 1758831041.88 total 50.03 last 86.77)
 - open/close 5046 (time 1758831051.88 total 60.03 last 80.38)
 - open/close 5847 (time 1758831061.90 total 70.04 last 80.01)
 - open/close 6639 (time 1758831071.90 total 80.05 last 79.15)
 - open/close 7476 (time 1758831081.90 total 90.05 last 83.70)
total: 8000 open/close in 95.70 seconds: 83.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 134 seconds
lru_size = 400
400
 - unlinked 0 (time 1758831231 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 758 (time 1758831345.33 total 10.01 last 75.70)
 - open/close 1495 (time 1758831355.34 total 20.02 last 73.65)
 - open/close 2385 (time 1758831365.35 total 30.03 last 88.91)
 - open/close 3105 (time 1758831375.35 total 40.04 last 71.94)
 - open/close 3867 (time 1758831385.38 total 50.06 last 76.02)
 - open/close 4675 (time 1758831395.38 total 60.06 last 80.80)
 - open/close 5501 (time 1758831405.38 total 70.06 last 82.60)
 - open/close 6271 (time 1758831415.38 total 80.06 last 76.98)
 - open/close 7076 (time 1758831425.38 total 90.07 last 80.49)
 - open/close 7876 (time 1758831435.39 total 100.07 last 79.93)
total: 8000 open/close in 101.31 seconds: 78.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 4006
4001
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1758831515 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second