== sanity test 124b: lru resize (performance test) ================================================================================= 15:00:31 (1788980431)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 707 (time 1788980447.26 total 10.01 last 70.60)
 - open/close 1421 (time 1788980457.28 total 20.03 last 71.27)
 - open/close 2072 (time 1788980467.29 total 30.03 last 65.08)
 - open/close 2841 (time 1788980477.29 total 40.04 last 76.83)
 - open/close 3559 (time 1788980487.30 total 50.05 last 71.73)
 - open/close 4395 (time 1788980497.31 total 60.06 last 83.52)
 - open/close 5067 (time 1788980507.31 total 70.06 last 67.20)
 - open/close 5807 (time 1788980517.32 total 80.07 last 73.97)
 - open/close 6573 (time 1788980527.33 total 90.08 last 76.51)
 - open/close 7297 (time 1788980537.33 total 100.08 last 72.37)
total: 8000 open/close in 108.81 seconds: 73.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
400
 - unlinked 0 (time 1788980718 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 749 (time 1788980834.06 total 10.01 last 74.85)
 - open/close 1495 (time 1788980844.06 total 20.01 last 74.58)
 - open/close 2273 (time 1788980854.07 total 30.02 last 77.70)
 - open/close 2965 (time 1788980864.07 total 40.02 last 69.19)
 - open/close 3756 (time 1788980874.09 total 50.04 last 78.95)
 - open/close 4622 (time 1788980884.09 total 60.04 last 86.57)
 - open/close 5475 (time 1788980894.10 total 70.05 last 85.26)
 - open/close 6370 (time 1788980904.10 total 80.05 last 89.50)
 - open/close 7188 (time 1788980914.11 total 90.06 last 81.72)
total: 8000 open/close in 99.12 seconds: 80.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788981036 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second