== sanity test 124b: lru resize (performance test) ================================================================================= 03:44:01 (1788939841)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 519 (time 1788939858.02 total 10.00 last 51.89)
 - open/close 1103 (time 1788939868.03 total 20.01 last 58.35)
 - open/close 1648 (time 1788939878.05 total 30.03 last 54.40)
 - open/close 2245 (time 1788939888.06 total 40.04 last 59.61)
 - open/close 2862 (time 1788939898.07 total 50.06 last 61.62)
 - open/close 3518 (time 1788939908.09 total 60.07 last 65.50)
 - open/close 4222 (time 1788939918.09 total 70.07 last 70.40)
 - open/close 4823 (time 1788939928.11 total 80.09 last 59.99)
 - open/close 5457 (time 1788939938.12 total 90.10 last 63.35)
 - open/close 6039 (time 1788939948.13 total 100.11 last 58.15)
 - open/close 6618 (time 1788939958.13 total 110.11 last 57.89)
 - open/close 7230 (time 1788939968.13 total 120.11 last 61.20)
 - open/close 7652 (time 1788939978.14 total 130.12 last 42.17)
total: 8000 open/close in 138.11 seconds: 57.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 198 seconds
lru_size = 400
 - unlinked 0 (time 1788940199 ; total 0 ; last 0)
total: 8000 unlinks in 146 seconds: 54.794521 unlinks/second
 - open/close 524 (time 1788940362.31 total 10.00 last 52.40)
 - open/close 1097 (time 1788940372.31 total 20.00 last 57.29)
 - open/close 1650 (time 1788940382.35 total 30.04 last 55.12)
 - open/close 2271 (time 1788940392.35 total 40.04 last 62.08)
 - open/close 2891 (time 1788940402.36 total 50.05 last 61.91)
 - open/close 3446 (time 1788940412.37 total 60.05 last 55.49)
 - open/close 3956 (time 1788940422.37 total 70.06 last 50.96)
 - open/close 4526 (time 1788940432.38 total 80.07 last 56.96)
 - open/close 5117 (time 1788940442.38 total 90.07 last 59.08)
 - open/close 5841 (time 1788940452.39 total 100.08 last 72.35)
 - open/close 6630 (time 1788940462.39 total 110.08 last 78.90)
 - open/close 7308 (time 1788940472.39 total 120.08 last 67.76)
total: 8000 open/close in 129.16 seconds: 61.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8007
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1788940608 ; total 1 ; last 1)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second