== sanity test 124b: lru resize (performance test) ================================================================================= 02:54:31 (1790751271)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 782 (time 1790751285.96 total 10.01 last 78.15)
 - open/close 1438 (time 1790751295.97 total 20.01 last 65.56)
 - open/close 2276 (time 1790751305.98 total 30.02 last 83.73)
 - open/close 3003 (time 1790751315.99 total 40.03 last 72.60)
 - open/close 3899 (time 1790751326.00 total 50.05 last 89.50)
 - open/close 4651 (time 1790751336.00 total 60.05 last 75.20)
 - open/close 5414 (time 1790751346.01 total 70.05 last 76.24)
 - open/close 6195 (time 1790751356.02 total 80.06 last 78.05)
 - open/close 6934 (time 1790751366.02 total 90.06 last 73.87)
 - open/close 7771 (time 1790751376.03 total 100.08 last 83.60)
total: 8000 open/close in 103.05 seconds: 77.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 167 seconds
lru_size = 400
 - unlinked 0 (time 1790751555 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 505 (time 1790751674.36 total 10.00 last 50.48)
 - open/close 1057 (time 1790751684.37 total 20.01 last 55.15)
 - open/close 1749 (time 1790751694.38 total 30.02 last 69.16)
 - open/close 2542 (time 1790751704.38 total 40.02 last 79.29)
 - open/close 3386 (time 1790751714.39 total 50.03 last 84.32)
 - open/close 4190 (time 1790751724.40 total 60.04 last 80.31)
 - open/close 5009 (time 1790751734.40 total 70.04 last 81.89)
 - open/close 5871 (time 1790751744.41 total 80.05 last 86.14)
 - open/close 6664 (time 1790751754.42 total 90.06 last 79.24)
 - open/close 7459 (time 1790751764.43 total 100.07 last 79.38)
total: 8000 open/close in 107.47 seconds: 74.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1790751885 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second