== sanity test 124b: lru resize (performance test) ================================================================================= 02:40:17 (1789454417)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 707 (time 1789454432.78 total 10.00 last 70.68)
 - open/close 1416 (time 1789454442.79 total 20.01 last 70.81)
 - open/close 2101 (time 1789454452.80 total 30.02 last 68.45)
 - open/close 2923 (time 1789454462.81 total 40.03 last 82.16)
 - open/close 3703 (time 1789454472.81 total 50.03 last 77.95)
 - open/close 4410 (time 1789454482.81 total 60.03 last 70.69)
 - open/close 5153 (time 1789454492.82 total 70.04 last 74.28)
 - open/close 5913 (time 1789454502.83 total 80.05 last 75.89)
 - open/close 6616 (time 1789454512.83 total 90.05 last 70.29)
 - open/close 7276 (time 1789454522.84 total 100.06 last 65.95)
 - open/close 7956 (time 1789454532.85 total 110.07 last 67.92)
total: 8000 open/close in 110.58 seconds: 72.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1789454716 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 667 (time 1789454842.70 total 10.00 last 66.69)
 - open/close 1304 (time 1789454852.72 total 20.02 last 63.57)
 - open/close 1926 (time 1789454862.72 total 30.03 last 62.18)
 - open/close 2681 (time 1789454872.73 total 40.03 last 75.47)
 - open/close 3370 (time 1789454882.74 total 50.04 last 68.85)
 - open/close 4102 (time 1789454892.75 total 60.05 last 73.08)
 - open/close 4867 (time 1789454902.75 total 70.05 last 76.49)
 - open/close 5453 (time 1789454912.75 total 80.06 last 58.60)
 - open/close 6089 (time 1789454922.76 total 90.06 last 63.59)
 - open/close 6759 (time 1789454932.76 total 100.06 last 66.97)
 - open/close 7415 (time 1789454942.77 total 110.07 last 65.53)
total: 8000 open/close in 118.68 seconds: 67.41 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 43% faster with lru resize enabled
 - unlinked 0 (time 1789455074 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second