== sanity test 124b: lru resize (performance test) ================================================================================= 13:07:30 (1786986450)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 903 (time 1786986464.73 total 10.00 last 90.30)
 - open/close 1747 (time 1786986474.73 total 20.00 last 84.38)
 - open/close 2492 (time 1786986484.74 total 30.01 last 74.47)
 - open/close 3329 (time 1786986494.75 total 40.02 last 83.61)
 - open/close 4110 (time 1786986504.75 total 50.02 last 78.10)
 - open/close 4967 (time 1786986514.75 total 60.02 last 85.66)
 - open/close 5880 (time 1786986524.77 total 70.04 last 91.16)
 - open/close 6679 (time 1786986534.77 total 80.04 last 79.86)
 - open/close 7429 (time 1786986544.78 total 90.05 last 74.95)
total: 8000 open/close in 97.52 seconds: 82.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 177 seconds
lru_size = 400
 - unlinked 0 (time 1786986739 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second
 - open/close 600 (time 1786986830.65 total 10.07 last 59.59)
 - open/close 1285 (time 1786986840.65 total 20.07 last 68.48)
 - open/close 2114 (time 1786986850.67 total 30.09 last 82.73)
 - open/close 2915 (time 1786986860.68 total 40.10 last 80.03)
 - open/close 3751 (time 1786986870.68 total 50.10 last 83.60)
 - open/close 4545 (time 1786986880.69 total 60.11 last 79.32)
 - open/close 5355 (time 1786986890.72 total 70.14 last 80.75)
 - open/close 6005 (time 1786986900.73 total 80.15 last 64.95)
 - open/close 6578 (time 1786986910.73 total 90.16 last 57.26)
 - open/close 7273 (time 1786986920.74 total 100.16 last 69.48)
 - open/close 7946 (time 1786986930.74 total 110.16 last 67.28)
total: 8000 open/close in 110.92 seconds: 72.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786987059 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second