== sanity test 124b: lru resize (performance test) ================================================================================= 12:57:29 (1788368249)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 954 (time 1788368262.52 total 10.00 last 95.39)
 - open/close 1918 (time 1788368272.53 total 20.01 last 96.32)
 - open/close 2851 (time 1788368282.53 total 30.01 last 93.28)
 - open/close 3917 (time 1788368292.55 total 40.03 last 106.38)
 - open/close 4866 (time 1788368302.55 total 50.03 last 94.88)
 - open/close 6057 (time 1788368312.55 total 60.03 last 119.09)
 - open/close 7119 (time 1788368322.57 total 70.05 last 106.05)
total: 8000 open/close in 79.00 seconds: 101.27 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 1788368510 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second
 - open/close 891 (time 1788368610.78 total 10.01 last 89.03)
 - open/close 1751 (time 1788368620.78 total 20.01 last 85.98)
 - open/close 2690 (time 1788368630.79 total 30.02 last 93.85)
 - open/close 3655 (time 1788368640.79 total 40.02 last 96.46)
 - open/close 4606 (time 1788368650.80 total 50.02 last 95.08)
 - open/close 5520 (time 1788368660.89 total 60.12 last 90.53)
 - open/close 5857 (time 1788368670.89 total 70.12 last 33.70)
 - open/close 6602 (time 1788368680.90 total 80.13 last 74.44)
 - open/close 7608 (time 1788368690.90 total 90.13 last 100.58)
total: 8000 open/close in 93.44 seconds: 85.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 8005
ls -la is 65% faster with lru resize enabled
 - unlinked 0 (time 1788368767 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second