== sanity test 124b: lru resize (performance test) ================================================================================= 12:52:25 (1787590345)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 818 (time 1787590359.26 total 10.00 last 81.79)
 - open/close 1731 (time 1787590369.27 total 20.00 last 91.29)
 - open/close 2588 (time 1787590379.27 total 30.01 last 85.65)
 - open/close 3417 (time 1787590389.28 total 40.01 last 82.87)
 - open/close 4221 (time 1787590399.28 total 50.01 last 80.39)
 - open/close 5131 (time 1787590409.29 total 60.02 last 90.91)
 - open/close 5901 (time 1787590419.29 total 70.02 last 76.98)
 - open/close 6822 (time 1787590429.30 total 80.03 last 92.03)
 - open/close 7688 (time 1787590439.30 total 90.04 last 86.52)
total: 8000 open/close in 93.74 seconds: 85.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1787590608 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 788 (time 1787590717.60 total 10.01 last 78.76)
 - open/close 1560 (time 1787590727.61 total 20.01 last 77.12)
 - open/close 2470 (time 1787590737.62 total 30.02 last 90.95)
 - open/close 3361 (time 1787590747.64 total 40.04 last 88.90)
 - open/close 4216 (time 1787590757.65 total 50.05 last 85.44)
 - open/close 5067 (time 1787590767.66 total 60.06 last 85.02)
 - open/close 5958 (time 1787590777.66 total 70.06 last 89.07)
 - open/close 6822 (time 1787590787.66 total 80.06 last 86.39)
 - open/close 7535 (time 1787590797.67 total 90.07 last 71.25)
total: 8000 open/close in 96.20 seconds: 83.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8008
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1787590924 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second