== sanity test 124b: lru resize (performance test) ================================================================================= 07:25:14 (1787397914)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 706 (time 1787397929.32 total 10.03 last 70.36)
 - open/close 1394 (time 1787397939.33 total 20.04 last 68.75)
 - open/close 2111 (time 1787397949.33 total 30.04 last 71.67)
 - open/close 2792 (time 1787397959.34 total 40.05 last 68.03)
 - open/close 3524 (time 1787397969.34 total 50.05 last 73.20)
 - open/close 4188 (time 1787397979.35 total 60.06 last 66.37)
 - open/close 4785 (time 1787397989.36 total 70.07 last 59.65)
 - open/close 5470 (time 1787397999.36 total 80.07 last 68.46)
 - open/close 6118 (time 1787398009.37 total 90.08 last 64.78)
 - open/close 6852 (time 1787398019.37 total 100.08 last 73.39)
 - open/close 7530 (time 1787398029.37 total 110.08 last 67.79)
total: 8000 open/close in 116.67 seconds: 68.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 187 seconds
lru_size = 400
 - unlinked 0 (time 1787398234 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 645 (time 1787398375.40 total 10.00 last 64.49)
 - open/close 1308 (time 1787398385.40 total 20.01 last 66.28)
 - open/close 2007 (time 1787398395.43 total 30.03 last 69.72)
 - open/close 2649 (time 1787398405.46 total 40.06 last 64.01)
 - open/close 3241 (time 1787398415.46 total 50.06 last 59.18)
 - open/close 3996 (time 1787398425.47 total 60.07 last 75.44)
 - open/close 4801 (time 1787398435.47 total 70.08 last 80.43)
 - open/close 5486 (time 1787398445.48 total 80.09 last 68.45)
 - open/close 6246 (time 1787398455.50 total 90.11 last 75.85)
 - open/close 7008 (time 1787398465.52 total 100.12 last 76.09)
 - open/close 7725 (time 1787398475.53 total 110.13 last 71.63)
total: 8000 open/close in 113.63 seconds: 70.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787398598 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second