== sanity test 124b: lru resize (performance test) ================================================================================= 07:34:31 (1789126471)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 636 (time 1789126486.27 total 10.02 last 63.45)
 - open/close 1258 (time 1789126496.27 total 20.03 last 62.17)
 - open/close 1925 (time 1789126506.28 total 30.04 last 66.65)
 - open/close 2567 (time 1789126516.28 total 40.04 last 64.18)
 - open/close 3216 (time 1789126526.30 total 50.06 last 64.77)
 - open/close 3885 (time 1789126536.30 total 60.06 last 66.89)
 - open/close 4593 (time 1789126546.31 total 70.07 last 70.76)
 - open/close 5284 (time 1789126556.32 total 80.08 last 69.01)
 - open/close 6007 (time 1789126566.32 total 90.08 last 72.29)
 - open/close 6668 (time 1789126576.33 total 100.09 last 66.04)
 - open/close 7299 (time 1789126586.35 total 110.11 last 62.99)
 - open/close 7938 (time 1789126596.35 total 120.11 last 63.89)
total: 8000 open/close in 120.98 seconds: 66.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1789126773 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 688 (time 1789126908.51 total 10.00 last 68.77)
 - open/close 1400 (time 1789126918.52 total 20.00 last 71.20)
 - open/close 2125 (time 1789126928.53 total 30.02 last 72.42)
 - open/close 2850 (time 1789126938.53 total 40.02 last 72.47)
 - open/close 3582 (time 1789126948.53 total 50.02 last 73.18)
 - open/close 4288 (time 1789126958.54 total 60.03 last 70.56)
 - open/close 4944 (time 1789126968.54 total 70.03 last 65.59)
 - open/close 5589 (time 1789126978.55 total 80.04 last 64.44)
 - open/close 6262 (time 1789126988.56 total 90.05 last 67.24)
 - open/close 6914 (time 1789126998.57 total 100.06 last 65.12)
 - open/close 7594 (time 1789127008.58 total 110.07 last 67.93)
total: 8000 open/close in 116.49 seconds: 68.67 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 48% faster with lru resize enabled
 - unlinked 0 (time 1789127121 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second