== sanity test 124b: lru resize (performance test) ================================================================================= 13:32:53 (1787851973)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 646 (time 1787851988.28 total 10.01 last 64.55)
 - open/close 1445 (time 1787851998.29 total 20.01 last 79.87)
 - open/close 2244 (time 1787852008.29 total 30.02 last 79.86)
 - open/close 2922 (time 1787852018.30 total 40.02 last 67.76)
 - open/close 3681 (time 1787852028.30 total 50.03 last 75.85)
 - open/close 4499 (time 1787852038.31 total 60.04 last 81.76)
 - open/close 5224 (time 1787852048.34 total 70.07 last 72.24)
 - open/close 6101 (time 1787852058.35 total 80.08 last 87.60)
 - open/close 6823 (time 1787852068.36 total 90.09 last 72.16)
 - open/close 7551 (time 1787852078.37 total 100.10 last 72.73)
total: 8000 open/close in 107.33 seconds: 74.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1787852273 ; total 0 ; last 0)
total: 8000 unlinks in 128 seconds: 62.500000 unlinks/second
 - open/close 866 (time 1787852417.67 total 10.00 last 86.60)
 - open/close 1638 (time 1787852427.67 total 20.01 last 77.14)
 - open/close 2468 (time 1787852437.68 total 30.01 last 82.94)
 - open/close 3173 (time 1787852447.68 total 40.02 last 70.48)
 - open/close 3942 (time 1787852457.69 total 50.02 last 76.87)
 - open/close 4554 (time 1787852467.69 total 60.02 last 61.19)
 - open/close 5318 (time 1787852477.71 total 70.04 last 76.26)
 - open/close 6074 (time 1787852487.71 total 80.04 last 75.59)
 - open/close 6837 (time 1787852497.72 total 90.06 last 76.20)
 - open/close 7469 (time 1787852507.72 total 100.06 last 63.19)
total: 8000 open/close in 108.87 seconds: 73.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787852644 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second