== sanity test 124b: lru resize (performance test) ================================================================================= 15:13:22 (1789586002)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 740 (time 1789586017.86 total 10.02 last 73.83)
 - open/close 1498 (time 1789586027.87 total 20.03 last 75.75)
 - open/close 2234 (time 1789586037.88 total 30.04 last 73.55)
 - open/close 3000 (time 1789586047.88 total 40.04 last 76.59)
 - open/close 3714 (time 1789586057.89 total 50.05 last 71.30)
 - open/close 4458 (time 1789586067.92 total 60.08 last 74.21)
 - open/close 5159 (time 1789586077.93 total 70.09 last 70.03)
 - open/close 5914 (time 1789586087.94 total 80.10 last 75.40)
 - open/close 6596 (time 1789586097.94 total 90.10 last 68.18)
 - open/close 7292 (time 1789586107.95 total 100.11 last 69.54)
 - open/close 7977 (time 1789586117.95 total 110.11 last 68.49)
total: 8000 open/close in 110.47 seconds: 72.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1789586278 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 710 (time 1789586402.87 total 10.02 last 70.87)
 - open/close 1496 (time 1789586412.90 total 20.04 last 78.42)
 - open/close 2262 (time 1789586422.90 total 30.05 last 76.57)
 - open/close 3104 (time 1789586432.91 total 40.06 last 84.09)
 - open/close 3903 (time 1789586442.93 total 50.07 last 79.78)
 - open/close 4641 (time 1789586452.93 total 60.08 last 73.76)
 - open/close 5405 (time 1789586462.95 total 70.10 last 76.28)
 - open/close 6078 (time 1789586472.96 total 80.11 last 67.23)
 - open/close 6727 (time 1789586482.96 total 90.11 last 64.89)
 - open/close 7474 (time 1789586492.97 total 100.11 last 74.67)
total: 8000 open/close in 107.24 seconds: 74.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1789586599 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second