== sanity test 124b: lru resize (performance test) ================================================================================= 02:59:52 (1788850792)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 912 (time 1788850806.52 total 10.00 last 91.20)
 - open/close 1751 (time 1788850816.54 total 20.02 last 83.78)
 - open/close 2522 (time 1788850826.54 total 30.02 last 77.09)
 - open/close 3089 (time 1788850836.55 total 40.03 last 56.65)
 - open/close 3711 (time 1788850846.55 total 50.03 last 62.18)
 - open/close 4411 (time 1788850856.55 total 60.03 last 69.97)
 - open/close 5164 (time 1788850866.56 total 70.04 last 75.27)
 - open/close 5992 (time 1788850876.56 total 80.04 last 82.75)
 - open/close 6882 (time 1788850886.57 total 90.05 last 88.97)
 - open/close 7702 (time 1788850896.57 total 100.05 last 81.95)
total: 8000 open/close in 103.62 seconds: 77.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
400
 - unlinked 0 (time 1788851061 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 868 (time 1788851179.24 total 10.01 last 86.71)
 - open/close 1732 (time 1788851189.27 total 20.04 last 86.15)
 - open/close 2577 (time 1788851199.28 total 30.05 last 84.44)
 - open/close 3391 (time 1788851209.28 total 40.05 last 81.39)
 - open/close 4116 (time 1788851219.30 total 50.07 last 72.33)
 - open/close 4914 (time 1788851229.31 total 60.08 last 79.73)
 - open/close 5718 (time 1788851239.32 total 70.09 last 80.33)
 - open/close 6495 (time 1788851249.33 total 80.10 last 77.63)
 - open/close 7102 (time 1788851259.33 total 90.10 last 60.68)
 - open/close 7781 (time 1788851269.34 total 100.11 last 67.86)
total: 8000 open/close in 103.46 seconds: 77.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788851379 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second