== sanity test 124b: lru resize (performance test) ================================================================================= 15:36:20 (1780342580)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 863 (time 1780342592.87 total 10.01 last 86.23)
 - open/close 1608 (time 1780342602.88 total 20.02 last 74.42)
 - open/close 2528 (time 1780342612.88 total 30.02 last 91.96)
 - open/close 3496 (time 1780342622.89 total 40.03 last 96.72)
 - open/close 4463 (time 1780342632.90 total 50.04 last 96.60)
 - open/close 5336 (time 1780342642.90 total 60.04 last 87.27)
 - open/close 6252 (time 1780342652.91 total 70.05 last 91.58)
 - open/close 7149 (time 1780342662.91 total 80.05 last 89.69)
total: 8000 open/close in 89.54 seconds: 89.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 114 seconds
lru_size = 400
 - unlinked 0 (time 1780342794 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 621 (time 1780342920.21 total 10.00 last 62.08)
 - open/close 1280 (time 1780342930.21 total 20.01 last 65.86)
 - open/close 1948 (time 1780342940.21 total 30.01 last 66.79)
 - open/close 2650 (time 1780342950.23 total 40.02 last 70.11)
 - open/close 3345 (time 1780342960.24 total 50.03 last 69.44)
 - open/close 4091 (time 1780342970.25 total 60.04 last 74.52)
 - open/close 4825 (time 1780342980.26 total 70.06 last 73.31)
 - open/close 5536 (time 1780342990.27 total 80.07 last 71.01)
 - open/close 6260 (time 1780343000.27 total 90.07 last 72.40)
 - open/close 7038 (time 1780343010.28 total 100.08 last 77.75)
 - open/close 7754 (time 1780343020.30 total 110.10 last 71.43)
total: 8000 open/close in 114.18 seconds: 70.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1780343121 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second