== sanity test 124b: lru resize (performance test) ================================================================================= 08:12:49 (1781007169)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 747 (time 1781007184.39 total 10.00 last 74.69)
 - open/close 1537 (time 1781007194.40 total 20.01 last 78.97)
 - open/close 2369 (time 1781007204.40 total 30.01 last 83.19)
 - open/close 3235 (time 1781007214.40 total 40.01 last 86.58)
 - open/close 4039 (time 1781007224.40 total 50.01 last 80.37)
 - open/close 4708 (time 1781007234.41 total 60.02 last 66.86)
 - open/close 5420 (time 1781007244.48 total 70.08 last 70.73)
 - open/close 5909 (time 1781007254.49 total 80.10 last 48.82)
 - open/close 6585 (time 1781007264.50 total 90.11 last 67.55)
 - open/close 7381 (time 1781007274.50 total 100.11 last 79.56)
total: 8000 open/close in 108.40 seconds: 73.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 185 seconds
lru_size = 400
 - unlinked 0 (time 1781007478 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 767 (time 1781007593.87 total 10.01 last 76.65)
 - open/close 1410 (time 1781007603.88 total 20.01 last 64.26)
 - open/close 2172 (time 1781007613.88 total 30.02 last 76.15)
 - open/close 2847 (time 1781007623.88 total 40.02 last 67.49)
 - open/close 3608 (time 1781007633.89 total 50.03 last 76.04)
 - open/close 4425 (time 1781007643.89 total 60.03 last 81.68)
 - open/close 5163 (time 1781007653.90 total 70.03 last 73.77)
 - open/close 5911 (time 1781007663.91 total 80.05 last 74.71)
 - open/close 6700 (time 1781007673.91 total 90.05 last 78.90)
 - open/close 7416 (time 1781007683.91 total 100.05 last 71.60)
total: 8000 open/close in 108.75 seconds: 73.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1781007828 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second