== sanity test 124b: lru resize (performance test) ================================================================================= 06:34:14 (1781001254)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 714 (time 1781001269.66 total 10.00 last 71.38)
 - open/close 1461 (time 1781001279.67 total 20.01 last 74.68)
 - open/close 2262 (time 1781001289.67 total 30.01 last 80.09)
 - open/close 2997 (time 1781001299.67 total 40.01 last 73.50)
 - open/close 3737 (time 1781001309.68 total 50.02 last 73.91)
 - open/close 4462 (time 1781001319.68 total 60.03 last 72.46)
 - open/close 5300 (time 1781001329.69 total 70.03 last 83.75)
 - open/close 5997 (time 1781001339.72 total 80.06 last 69.52)
 - open/close 6596 (time 1781001349.73 total 90.07 last 59.85)
 - open/close 7366 (time 1781001359.74 total 100.08 last 76.87)
total: 8000 open/close in 109.92 seconds: 72.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1781001543 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 702 (time 1781001677.63 total 10.01 last 70.13)
 - open/close 1419 (time 1781001687.64 total 20.02 last 71.65)
 - open/close 2199 (time 1781001697.65 total 30.03 last 77.92)
 - open/close 2949 (time 1781001707.66 total 40.04 last 74.90)
 - open/close 3622 (time 1781001717.67 total 50.04 last 67.27)
 - open/close 4247 (time 1781001727.67 total 60.05 last 62.45)
 - open/close 4858 (time 1781001737.68 total 70.05 last 61.08)
 - open/close 5544 (time 1781001747.68 total 80.06 last 68.58)
 - open/close 6195 (time 1781001757.69 total 90.07 last 65.02)
 - open/close 6796 (time 1781001767.70 total 100.08 last 60.04)
 - open/close 7474 (time 1781001777.71 total 110.09 last 67.77)
total: 8000 open/close in 117.70 seconds: 67.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1781001896 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second