== sanity test 124b: lru resize (performance test) ================================================================================= 15:48:43 (1788551323)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 679 (time 1788551337.82 total 10.00 last 67.89)
 - open/close 1326 (time 1788551347.83 total 20.01 last 64.64)
 - open/close 1991 (time 1788551357.83 total 30.01 last 66.49)
 - open/close 2672 (time 1788551367.84 total 40.03 last 68.00)
 - open/close 3299 (time 1788551377.84 total 50.03 last 62.69)
 - open/close 3969 (time 1788551387.85 total 60.04 last 66.92)
 - open/close 4713 (time 1788551397.88 total 70.07 last 74.17)
 - open/close 5413 (time 1788551407.91 total 80.10 last 69.79)
 - open/close 6071 (time 1788551417.92 total 90.11 last 65.75)
 - open/close 6708 (time 1788551427.94 total 100.12 last 63.61)
 - open/close 7295 (time 1788551437.94 total 110.13 last 58.66)
 - open/close 7939 (time 1788551447.96 total 120.14 last 64.30)
total: 8000 open/close in 121.36 seconds: 65.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1788551627 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
 - open/close 729 (time 1788551766.39 total 10.00 last 72.89)
 - open/close 1454 (time 1788551776.41 total 20.01 last 72.41)
 - open/close 2129 (time 1788551786.41 total 30.01 last 67.50)
 - open/close 2833 (time 1788551796.41 total 40.02 last 70.34)
 - open/close 3375 (time 1788551806.43 total 50.03 last 54.14)
 - open/close 3933 (time 1788551816.44 total 60.05 last 55.73)
 - open/close 4451 (time 1788551826.45 total 70.06 last 51.71)
 - open/close 5153 (time 1788551836.45 total 80.06 last 70.20)
 - open/close 5884 (time 1788551846.46 total 90.07 last 73.08)
 - open/close 6567 (time 1788551856.46 total 100.07 last 68.30)
 - open/close 7274 (time 1788551866.46 total 110.07 last 70.68)
 - open/close 7954 (time 1788551876.48 total 120.09 last 67.88)
total: 8000 open/close in 120.68 seconds: 66.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788551989 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second