== sanity test 124b: lru resize (performance test) ================================================================================= 17:13:09 (1790111589)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 699 (time 1790111604.94 total 10.01 last 69.81)
 - open/close 1410 (time 1790111614.95 total 20.02 last 71.07)
 - open/close 2197 (time 1790111624.95 total 30.03 last 78.63)
 - open/close 2853 (time 1790111634.97 total 40.04 last 65.48)
 - open/close 3596 (time 1790111644.99 total 50.06 last 74.18)
 - open/close 4374 (time 1790111654.99 total 60.07 last 77.75)
 - open/close 5212 (time 1790111665.00 total 70.07 last 83.74)
 - open/close 5931 (time 1790111675.01 total 80.08 last 71.86)
 - open/close 6654 (time 1790111685.02 total 90.09 last 72.24)
 - open/close 7437 (time 1790111695.03 total 100.10 last 78.22)
total: 8000 open/close in 107.87 seconds: 74.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 166 seconds
lru_size = 400
 - unlinked 0 (time 1790111881 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 710 (time 1790112023.24 total 10.02 last 70.86)
 - open/close 1393 (time 1790112033.24 total 20.03 last 68.25)
 - open/close 2187 (time 1790112043.25 total 30.03 last 79.38)
 - open/close 2915 (time 1790112053.25 total 40.03 last 72.78)
 - open/close 3639 (time 1790112063.25 total 50.03 last 72.39)
 - open/close 4332 (time 1790112073.26 total 60.04 last 69.27)
 - open/close 4943 (time 1790112083.28 total 70.06 last 60.98)
 - open/close 5631 (time 1790112093.28 total 80.06 last 68.79)
 - open/close 6261 (time 1790112103.29 total 90.07 last 62.91)
 - open/close 6909 (time 1790112113.30 total 100.08 last 64.77)
 - open/close 7592 (time 1790112123.31 total 110.09 last 68.20)
total: 8000 open/close in 115.69 seconds: 69.15 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 34% faster with lru resize enabled
 - unlinked 0 (time 1790112261 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second