== sanity test 124b: lru resize (performance test) ================================================================================= 13:47:42 (1790963262)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 728 (time 1790963276.17 total 10.01 last 72.76)
 - open/close 1472 (time 1790963286.18 total 20.02 last 74.33)
 - open/close 2159 (time 1790963296.19 total 30.02 last 68.66)
 - open/close 2894 (time 1790963306.20 total 40.03 last 73.43)
 - open/close 3642 (time 1790963316.21 total 50.04 last 74.74)
 - open/close 4351 (time 1790963326.21 total 60.04 last 70.88)
 - open/close 5131 (time 1790963336.22 total 70.05 last 77.94)
 - open/close 5840 (time 1790963346.23 total 80.06 last 70.82)
 - open/close 6567 (time 1790963356.24 total 90.07 last 72.65)
 - open/close 7371 (time 1790963366.24 total 100.07 last 80.39)
total: 8000 open/close in 108.41 seconds: 73.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
 - unlinked 0 (time 1790963544 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second
 - open/close 1484 (time 1790963624.76 total 10.01 last 148.31)
 - open/close 2729 (time 1790963634.76 total 20.01 last 124.47)
 - open/close 3490 (time 1790963644.76 total 30.01 last 76.06)
 - open/close 4383 (time 1790963654.77 total 40.02 last 89.27)
 - open/close 4703 (time 1790963664.81 total 50.06 last 31.86)
 - open/close 5223 (time 1790963674.83 total 60.08 last 51.91)
 - open/close 6196 (time 1790963684.83 total 70.08 last 97.30)
 - open/close 6909 (time 1790963694.83 total 80.08 last 71.28)
 - open/close 7610 (time 1790963704.84 total 90.09 last 70.01)
total: 8000 open/close in 96.47 seconds: 82.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 8005
ls -la is 65% faster with lru resize enabled
 - unlinked 0 (time 1790963786 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second