== sanity test 124b: lru resize (performance test) ================================================================================= 05:08:53 (1787476133)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 740 (time 1787476148.25 total 10.00 last 73.99)
 - open/close 1456 (time 1787476158.26 total 20.02 last 71.49)
 - open/close 2275 (time 1787476168.27 total 30.02 last 81.84)
 - open/close 3134 (time 1787476178.29 total 40.05 last 85.69)
 - open/close 3973 (time 1787476188.30 total 50.06 last 83.82)
 - open/close 4745 (time 1787476198.30 total 60.06 last 77.19)
 - open/close 5511 (time 1787476208.31 total 70.07 last 76.54)
 - open/close 6267 (time 1787476218.32 total 80.08 last 75.53)
 - open/close 7067 (time 1787476228.32 total 90.08 last 79.99)
 - open/close 7793 (time 1787476238.33 total 100.08 last 72.55)
total: 8000 open/close in 102.57 seconds: 78.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1787476398 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 836 (time 1787476513.01 total 10.00 last 83.58)
 - open/close 1649 (time 1787476523.02 total 20.01 last 81.23)
 - open/close 2486 (time 1787476533.02 total 30.01 last 83.69)
 - open/close 3264 (time 1787476543.03 total 40.02 last 77.76)
 - open/close 3987 (time 1787476553.03 total 50.02 last 72.27)
 - open/close 4866 (time 1787476563.04 total 60.03 last 87.81)
 - open/close 5621 (time 1787476573.05 total 70.04 last 75.41)
 - open/close 6447 (time 1787476583.06 total 80.05 last 82.54)
 - open/close 7253 (time 1787476593.08 total 90.07 last 80.46)
total: 8000 open/close in 99.55 seconds: 80.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787476707 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second