== sanity test 124b: lru resize (performance test) ================================================================================= 19:14:10 (1787613250)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 745 (time 1787613264.90 total 10.01 last 74.42)
 - open/close 1417 (time 1787613274.91 total 20.02 last 67.12)
 - open/close 2042 (time 1787613284.93 total 30.04 last 62.39)
 - open/close 2697 (time 1787613294.93 total 40.05 last 65.46)
 - open/close 3421 (time 1787613304.95 total 50.06 last 72.32)
 - open/close 4160 (time 1787613314.95 total 60.06 last 73.86)
 - open/close 4843 (time 1787613325.02 total 70.13 last 67.82)
 - open/close 5388 (time 1787613335.04 total 80.15 last 54.39)
 - open/close 5927 (time 1787613345.05 total 90.16 last 53.88)
 - open/close 6646 (time 1787613355.05 total 100.17 last 71.84)
 - open/close 7380 (time 1787613365.05 total 110.17 last 73.39)
total: 8000 open/close in 118.96 seconds: 67.25 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 1787613546 ; total 0 ; last 0)
total: 8000 unlinks in 142 seconds: 56.338028 unlinks/second
 - open/close 741 (time 1787613702.65 total 10.01 last 74.05)
 - open/close 1466 (time 1787613712.66 total 20.02 last 72.43)
 - open/close 2251 (time 1787613722.67 total 30.02 last 78.44)
 - open/close 2964 (time 1787613732.68 total 40.03 last 71.27)
 - open/close 3769 (time 1787613742.68 total 50.03 last 80.45)
 - open/close 4516 (time 1787613752.69 total 60.04 last 74.66)
 - open/close 5245 (time 1787613762.71 total 70.06 last 72.74)
 - open/close 5971 (time 1787613772.71 total 80.06 last 72.60)
 - open/close 6736 (time 1787613782.71 total 90.07 last 76.46)
 - open/close 7309 (time 1787613792.73 total 100.08 last 57.22)
total: 8000 open/close in 109.88 seconds: 72.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787613922 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second