== sanity test 124b: lru resize (performance test) ================================================================================= 19:17:33 (1784243853)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 672 (time 1784243870.20 total 10.01 last 67.16)
 - open/close 1399 (time 1784243880.21 total 20.01 last 72.63)
 - open/close 2220 (time 1784243890.22 total 30.02 last 82.04)
 - open/close 2953 (time 1784243900.23 total 40.03 last 73.22)
 - open/close 3545 (time 1784243910.27 total 50.07 last 58.98)
 - open/close 4154 (time 1784243920.27 total 60.08 last 60.86)
 - open/close 4845 (time 1784243930.30 total 70.10 last 68.94)
 - open/close 5390 (time 1784243940.34 total 80.14 last 54.27)
 - open/close 5606 (time 1784243950.35 total 90.16 last 21.57)
 - open/close 5835 (time 1784243960.43 total 100.24 last 22.71)
 - open/close 6039 (time 1784243970.44 total 110.25 last 20.38)
 - open/close 6492 (time 1784243980.44 total 120.25 last 45.30)
 - open/close 7207 (time 1784243990.45 total 130.25 last 71.47)
 - open/close 7792 (time 1784244000.46 total 140.27 last 58.41)
total: 8000 open/close in 143.06 seconds: 55.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
 - unlinked 0 (time 1784244197 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 658 (time 1784244330.01 total 10.02 last 65.68)
 - open/close 1330 (time 1784244340.01 total 20.02 last 67.19)
 - open/close 2067 (time 1784244350.02 total 30.03 last 73.63)
 - open/close 2894 (time 1784244360.03 total 40.03 last 82.65)
 - open/close 3666 (time 1784244370.03 total 50.04 last 77.20)
 - open/close 4500 (time 1784244380.05 total 60.05 last 83.26)
 - open/close 5211 (time 1784244390.06 total 70.06 last 71.02)
 - open/close 5907 (time 1784244400.07 total 80.07 last 69.52)
 - open/close 6588 (time 1784244410.07 total 90.08 last 68.09)
 - open/close 7321 (time 1784244420.07 total 100.08 last 73.29)
total: 8000 open/close in 108.56 seconds: 73.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1784244560 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second