== sanity test 124b: lru resize (performance test) ================================================================================= 14:40:01 (1788633601)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 783 (time 1788633615.40 total 10.01 last 78.24)
 - open/close 1532 (time 1788633625.41 total 20.02 last 74.81)
 - open/close 2372 (time 1788633635.42 total 30.03 last 83.91)
 - open/close 3192 (time 1788633645.43 total 40.03 last 81.97)
 - open/close 3988 (time 1788633655.43 total 50.04 last 79.56)
 - open/close 4726 (time 1788633665.45 total 60.06 last 73.64)
 - open/close 5557 (time 1788633675.46 total 70.07 last 83.05)
 - open/close 6316 (time 1788633685.47 total 80.07 last 75.84)
 - open/close 7099 (time 1788633695.47 total 90.08 last 78.26)
total: 8000 open/close in 99.82 seconds: 80.15 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 1788633878 ; total 0 ; last 0)
total: 8000 unlinks in 98 seconds: 81.632652 unlinks/second
 - open/close 725 (time 1788633990.57 total 10.02 last 72.39)
 - open/close 1535 (time 1788634000.58 total 20.02 last 80.94)
 - open/close 2300 (time 1788634010.59 total 30.04 last 76.39)
 - open/close 3129 (time 1788634020.60 total 40.04 last 82.87)
 - open/close 3967 (time 1788634030.60 total 50.04 last 83.76)
 - open/close 4724 (time 1788634040.61 total 60.05 last 75.68)
 - open/close 5473 (time 1788634050.61 total 70.06 last 74.84)
 - open/close 6141 (time 1788634060.63 total 80.07 last 66.71)
 - open/close 6896 (time 1788634070.64 total 90.08 last 75.41)
 - open/close 7701 (time 1788634080.65 total 100.09 last 80.45)
total: 8000 open/close in 103.72 seconds: 77.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788634190 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second