== sanity test 124b: lru resize (performance test) ================================================================================= 02:24:01 (1781245441)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 795 (time 1781245456.52 total 10.01 last 79.44)
 - open/close 1487 (time 1781245466.53 total 20.02 last 69.10)
 - open/close 2080 (time 1781245476.53 total 30.02 last 59.30)
 - open/close 2734 (time 1781245486.53 total 40.02 last 65.40)
 - open/close 3250 (time 1781245496.54 total 50.03 last 51.57)
 - open/close 3734 (time 1781245506.54 total 60.03 last 48.39)
 - open/close 4293 (time 1781245516.55 total 70.04 last 55.84)
 - open/close 4869 (time 1781245526.56 total 80.05 last 57.54)
 - open/close 5429 (time 1781245536.56 total 90.06 last 55.97)
 - open/close 6087 (time 1781245546.57 total 100.06 last 65.74)
 - open/close 6831 (time 1781245556.58 total 110.07 last 74.33)
 - open/close 7506 (time 1781245566.60 total 120.10 last 67.36)
total: 8000 open/close in 127.70 seconds: 62.65 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 1781245759 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 702 (time 1781245897.15 total 10.01 last 70.12)
 - open/close 1449 (time 1781245907.15 total 20.01 last 74.69)
 - open/close 2233 (time 1781245917.16 total 30.02 last 78.36)
 - open/close 3034 (time 1781245927.16 total 40.02 last 80.06)
 - open/close 3792 (time 1781245937.18 total 50.04 last 75.70)
 - open/close 4551 (time 1781245947.19 total 60.05 last 75.83)
 - open/close 5188 (time 1781245957.20 total 70.06 last 63.62)
 - open/close 5790 (time 1781245967.20 total 80.06 last 60.18)
 - open/close 6599 (time 1781245977.22 total 90.08 last 80.73)
 - open/close 7349 (time 1781245987.23 total 100.09 last 74.91)
total: 8000 open/close in 109.05 seconds: 73.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1781246123 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second