== sanity test 124b: lru resize (performance test) ================================================================================= 16:57:47 (1787864267)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 672 (time 1787864282.62 total 10.01 last 67.12)
 - open/close 1304 (time 1787864292.62 total 20.02 last 63.15)
 - open/close 1936 (time 1787864302.63 total 30.03 last 63.16)
 - open/close 2512 (time 1787864312.65 total 40.04 last 57.50)
 - open/close 3163 (time 1787864322.65 total 50.04 last 65.09)
 - open/close 3827 (time 1787864332.65 total 60.05 last 66.39)
 - open/close 4428 (time 1787864342.65 total 70.05 last 60.08)
 - open/close 4964 (time 1787864352.66 total 80.06 last 53.57)
 - open/close 5507 (time 1787864362.70 total 90.09 last 54.09)
 - open/close 6116 (time 1787864372.70 total 100.09 last 60.90)
 - open/close 6765 (time 1787864382.71 total 110.10 last 64.86)
 - open/close 7353 (time 1787864392.71 total 120.11 last 58.77)
 - open/close 7992 (time 1787864402.72 total 130.11 last 63.87)
total: 8000 open/close in 130.23 seconds: 61.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1787864583 ; total 0 ; last 0)
total: 8000 unlinks in 132 seconds: 60.606060 unlinks/second
 - open/close 631 (time 1787864730.77 total 10.01 last 63.06)
 - open/close 1207 (time 1787864740.78 total 20.02 last 57.51)
 - open/close 1806 (time 1787864750.79 total 30.03 last 59.85)
 - open/close 2410 (time 1787864760.79 total 40.03 last 60.39)
 - open/close 3093 (time 1787864770.80 total 50.04 last 68.25)
 - open/close 3694 (time 1787864780.81 total 60.04 last 60.07)
 - open/close 4305 (time 1787864790.82 total 70.06 last 61.03)
 - open/close 4900 (time 1787864800.83 total 80.07 last 59.40)
 - open/close 5443 (time 1787864810.84 total 90.07 last 54.29)
 - open/close 6053 (time 1787864820.85 total 100.08 last 60.94)
 - open/close 6640 (time 1787864830.86 total 110.09 last 58.64)
 - open/close 7230 (time 1787864840.86 total 120.09 last 58.99)
 - open/close 7832 (time 1787864850.86 total 130.10 last 60.18)
total: 8000 open/close in 132.63 seconds: 60.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1787864967 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second