== sanity test 124b: lru resize (performance test) ================================================================================= 18:00:10 (1778623210)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 781 (time 1778623224.19 total 10.00 last 78.08)
 - open/close 1585 (time 1778623234.21 total 20.02 last 80.27)
 - open/close 2434 (time 1778623244.21 total 30.02 last 84.90)
 - open/close 3228 (time 1778623254.22 total 40.02 last 79.35)
 - open/close 3977 (time 1778623264.22 total 50.03 last 74.89)
 - open/close 4634 (time 1778623274.22 total 60.03 last 65.68)
 - open/close 5421 (time 1778623284.23 total 70.03 last 78.66)
 - open/close 6284 (time 1778623294.23 total 80.04 last 86.28)
 - open/close 7124 (time 1778623304.24 total 90.05 last 83.93)
 - open/close 7863 (time 1778623314.24 total 100.05 last 73.85)
total: 8000 open/close in 101.61 seconds: 78.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1778623488 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
 - open/close 857 (time 1778623618.74 total 10.00 last 85.67)
 - open/close 1670 (time 1778623628.74 total 20.01 last 81.26)
 - open/close 2565 (time 1778623638.74 total 30.01 last 89.49)
 - open/close 3474 (time 1778623648.74 total 40.01 last 90.86)
 - open/close 4237 (time 1778623658.76 total 50.02 last 76.21)
 - open/close 5008 (time 1778623668.76 total 60.03 last 77.07)
 - open/close 5704 (time 1778623678.78 total 70.05 last 69.46)
 - open/close 6345 (time 1778623688.78 total 80.05 last 64.08)
 - open/close 7077 (time 1778623698.79 total 90.06 last 73.16)
 - open/close 7950 (time 1778623708.79 total 100.06 last 87.25)
total: 8000 open/close in 100.53 seconds: 79.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1778623822 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second