== sanity test 124b: lru resize (performance test) ================================================================================= 04:55:14 (1787129714)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 825 (time 1787129729.72 total 10.00 last 82.48)
 - open/close 1535 (time 1787129739.73 total 20.02 last 70.87)
 - open/close 2193 (time 1787129749.74 total 30.03 last 65.76)
 - open/close 2926 (time 1787129759.75 total 40.03 last 73.26)
 - open/close 3561 (time 1787129769.75 total 50.03 last 63.48)
 - open/close 4208 (time 1787129779.76 total 60.04 last 64.65)
 - open/close 4802 (time 1787129789.77 total 70.06 last 59.32)
 - open/close 5294 (time 1787129799.78 total 80.06 last 49.15)
 - open/close 5927 (time 1787129809.78 total 90.07 last 63.29)
 - open/close 6565 (time 1787129819.80 total 100.08 last 63.71)
 - open/close 7235 (time 1787129829.80 total 110.08 last 67.00)
 - open/close 7840 (time 1787129839.80 total 120.08 last 60.48)
total: 8000 open/close in 122.37 seconds: 65.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 185 seconds
lru_size = 400
 - unlinked 0 (time 1787130039 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 721 (time 1787130178.95 total 10.01 last 72.05)
 - open/close 1343 (time 1787130188.96 total 20.02 last 62.12)
 - open/close 2042 (time 1787130198.96 total 30.02 last 69.90)
 - open/close 2710 (time 1787130208.99 total 40.04 last 66.65)
 - open/close 3387 (time 1787130218.99 total 50.05 last 67.67)
 - open/close 4063 (time 1787130228.99 total 60.05 last 67.57)
 - open/close 4903 (time 1787130238.99 total 70.05 last 84.00)
 - open/close 5746 (time 1787130249.00 total 80.06 last 84.23)
 - open/close 6557 (time 1787130259.01 total 90.06 last 81.06)
 - open/close 7388 (time 1787130269.01 total 100.07 last 83.09)
total: 8000 open/close in 108.94 seconds: 73.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787130398 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second