== sanity test 124b: lru resize (performance test) ================================================================================= 13:59:49 (1785088789)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 789 (time 1785088805.12 total 10.01 last 78.86)
 - open/close 1689 (time 1785088815.13 total 20.01 last 89.94)
 - open/close 2459 (time 1785088825.14 total 30.02 last 76.94)
 - open/close 3283 (time 1785088835.14 total 40.03 last 82.35)
 - open/close 4059 (time 1785088845.16 total 50.04 last 77.50)
 - open/close 4842 (time 1785088855.16 total 60.05 last 78.23)
 - open/close 5641 (time 1785088865.17 total 70.06 last 79.83)
 - open/close 6391 (time 1785088875.19 total 80.08 last 74.84)
 - open/close 7129 (time 1785088885.20 total 90.08 last 73.79)
 - open/close 7800 (time 1785088895.20 total 100.09 last 67.05)
total: 8000 open/close in 103.64 seconds: 77.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 400
400
 - unlinked 0 (time 1785089018 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 926 (time 1785089128.69 total 10.00 last 92.56)
 - open/close 1876 (time 1785089138.69 total 20.01 last 94.97)
 - open/close 2716 (time 1785089148.69 total 30.01 last 83.99)
 - open/close 3534 (time 1785089158.70 total 40.02 last 81.70)
 - open/close 4405 (time 1785089168.71 total 50.02 last 87.08)
 - open/close 5182 (time 1785089178.71 total 60.02 last 77.69)
 - open/close 5964 (time 1785089188.71 total 70.03 last 78.15)
 - open/close 6652 (time 1785089198.71 total 80.03 last 68.79)
 - open/close 7404 (time 1785089208.73 total 90.05 last 75.04)
total: 8000 open/close in 98.55 seconds: 81.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 4006
4001
ls -la is 1% faster with lru resize enabled
 - unlinked 0 (time 1785089347 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second