== sanity test 124b: lru resize (performance test) ================================================================================= 12:29:24 (1780331364)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 497 (time 1780331380.46 total 10.00 last 49.68)
 - open/close 1075 (time 1780331390.47 total 20.01 last 57.77)
 - open/close 1764 (time 1780331400.47 total 30.01 last 68.89)
 - open/close 2500 (time 1780331410.49 total 40.03 last 73.49)
 - open/close 3253 (time 1780331420.50 total 50.04 last 75.21)
 - open/close 3885 (time 1780331430.50 total 60.04 last 63.18)
 - open/close 4633 (time 1780331440.51 total 70.05 last 74.71)
 - open/close 5394 (time 1780331450.54 total 80.08 last 75.94)
 - open/close 6175 (time 1780331460.54 total 90.08 last 78.03)
 - open/close 6880 (time 1780331470.56 total 100.10 last 70.41)
 - open/close 7471 (time 1780331480.58 total 110.12 last 58.98)
 - open/close 7986 (time 1780331490.59 total 120.13 last 51.42)
total: 8000 open/close in 120.39 seconds: 66.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1780331687 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 648 (time 1780331813.41 total 10.02 last 64.69)
 - open/close 1458 (time 1780331823.42 total 20.03 last 80.92)
 - open/close 2323 (time 1780331833.42 total 30.03 last 86.50)
 - open/close 3110 (time 1780331843.43 total 40.03 last 78.67)
 - open/close 3874 (time 1780331853.43 total 50.03 last 76.38)
 - open/close 4596 (time 1780331863.44 total 60.05 last 72.10)
 - open/close 5294 (time 1780331873.47 total 70.08 last 69.60)
 - open/close 5995 (time 1780331883.48 total 80.08 last 70.05)
 - open/close 6749 (time 1780331893.49 total 90.09 last 75.33)
 - open/close 7513 (time 1780331903.49 total 100.10 last 76.34)
total: 8000 open/close in 105.65 seconds: 75.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1780332038 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second