== sanity test 124b: lru resize (performance test) ================================================================================= 20:07:20 (1781222840)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 590 (time 1781222856.71 total 10.02 last 58.85)
 - open/close 1121 (time 1781222866.72 total 20.04 last 53.04)
 - open/close 1741 (time 1781222876.72 total 30.04 last 61.99)
 - open/close 2206 (time 1781222886.73 total 40.05 last 46.46)
 - open/close 2787 (time 1781222896.74 total 50.06 last 58.03)
 - open/close 3402 (time 1781222906.74 total 60.06 last 61.46)
 - open/close 3991 (time 1781222916.76 total 70.08 last 58.80)
 - open/close 4611 (time 1781222926.77 total 80.09 last 61.97)
 - open/close 5217 (time 1781222936.77 total 90.09 last 60.57)
 - open/close 5824 (time 1781222946.78 total 100.10 last 60.66)
 - open/close 6358 (time 1781222956.79 total 110.10 last 53.36)
 - open/close 6873 (time 1781222966.80 total 120.12 last 51.41)
 - open/close 7414 (time 1781222976.81 total 130.13 last 54.06)
 - open/close 7941 (time 1781222986.81 total 140.13 last 52.68)
total: 8000 open/close in 141.10 seconds: 56.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 186 seconds
lru_size = 400
 - unlinked 0 (time 1781223184 ; total 0 ; last 0)
total: 8000 unlinks in 131 seconds: 61.068703 unlinks/second
 - open/close 777 (time 1781223330.35 total 10.01 last 77.62)
 - open/close 1514 (time 1781223340.36 total 20.02 last 73.66)
 - open/close 2163 (time 1781223350.36 total 30.02 last 64.88)
 - open/close 2893 (time 1781223360.36 total 40.02 last 72.99)
 - open/close 3535 (time 1781223370.38 total 50.04 last 64.09)
 - open/close 4182 (time 1781223380.38 total 60.04 last 64.69)
 - open/close 4879 (time 1781223390.39 total 70.05 last 69.64)
 - open/close 5574 (time 1781223400.40 total 80.06 last 69.43)
 - open/close 6248 (time 1781223410.40 total 90.06 last 67.38)
 - open/close 6947 (time 1781223420.41 total 100.06 last 69.88)
 - open/close 7531 (time 1781223430.41 total 110.07 last 58.38)
total: 8000 open/close in 117.42 seconds: 68.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1781223561 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second