== sanity test 124b: lru resize (performance test) ================================================================================= 17:30:14 (1786829414)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 751 (time 1786829429.50 total 10.00 last 75.07)
 - open/close 1521 (time 1786829439.51 total 20.01 last 76.97)
 - open/close 2308 (time 1786829449.51 total 30.01 last 78.68)
 - open/close 3088 (time 1786829459.52 total 40.02 last 77.90)
 - open/close 3797 (time 1786829469.53 total 50.03 last 70.83)
 - open/close 4549 (time 1786829479.53 total 60.03 last 75.19)
 - open/close 5308 (time 1786829489.54 total 70.05 last 75.81)
 - open/close 6042 (time 1786829499.56 total 80.06 last 73.28)
 - open/close 6682 (time 1786829509.57 total 90.07 last 63.94)
 - open/close 7356 (time 1786829519.58 total 100.08 last 67.37)
total: 8000 open/close in 109.22 seconds: 73.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 170 seconds
lru_size = 400
 - unlinked 0 (time 1786829710 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 788 (time 1786829839.76 total 10.01 last 78.74)
 - open/close 1499 (time 1786829849.76 total 20.01 last 71.08)
 - open/close 2144 (time 1786829859.77 total 30.02 last 64.45)
 - open/close 2987 (time 1786829869.77 total 40.02 last 84.29)
 - open/close 3800 (time 1786829879.78 total 50.03 last 81.24)
 - open/close 4607 (time 1786829889.78 total 60.03 last 80.69)
 - open/close 5386 (time 1786829899.78 total 70.03 last 77.88)
 - open/close 6189 (time 1786829909.78 total 80.03 last 80.29)
 - open/close 7011 (time 1786829919.80 total 90.05 last 82.04)
 - open/close 7785 (time 1786829929.80 total 100.05 last 77.38)
total: 8000 open/close in 103.56 seconds: 77.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1786830048 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second