== sanity test 124b: lru resize (performance test) ================================================================================= 16:47:11 (1782766031)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1330 (time 1782766044.20 total 10.00 last 132.99)
 - open/close 2788 (time 1782766054.21 total 20.01 last 145.66)
 - open/close 4085 (time 1782766064.22 total 30.02 last 129.63)
 - open/close 5424 (time 1782766074.22 total 40.02 last 133.89)
 - open/close 6564 (time 1782766084.23 total 50.03 last 113.83)
 - open/close 7751 (time 1782766094.24 total 60.04 last 118.62)
total: 8000 open/close in 62.10 seconds: 128.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1782766206 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second
 - open/close 1017 (time 1782766274.83 total 10.00 last 101.66)
 - open/close 2128 (time 1782766284.83 total 20.01 last 111.09)
 - open/close 3372 (time 1782766294.84 total 30.02 last 124.27)
 - open/close 4605 (time 1782766304.84 total 40.02 last 123.27)
 - open/close 5801 (time 1782766314.85 total 50.02 last 119.55)
 - open/close 6913 (time 1782766324.86 total 60.03 last 111.07)
total: 8000 open/close in 68.93 seconds: 116.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1782766389 ; total 0 ; last 0)
total: 8000 unlinks in 35 seconds: 228.571426 unlinks/second