== sanity test 124b: lru resize (performance test) ================================================================================= 09:15:33 (1788786933)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 653 (time 1788786949.14 total 10.00 last 65.28)
 - open/close 1337 (time 1788786959.15 total 20.01 last 68.33)
 - open/close 2058 (time 1788786969.16 total 30.02 last 72.03)
 - open/close 2720 (time 1788786979.18 total 40.04 last 66.12)
 - open/close 3325 (time 1788786989.21 total 50.07 last 60.30)
 - open/close 3937 (time 1788786999.22 total 60.08 last 61.15)
 - open/close 4602 (time 1788787009.24 total 70.10 last 66.38)
 - open/close 5235 (time 1788787019.25 total 80.11 last 63.23)
 - open/close 5817 (time 1788787029.26 total 90.12 last 58.15)
 - open/close 6541 (time 1788787039.27 total 100.13 last 72.29)
 - open/close 7277 (time 1788787049.28 total 110.14 last 73.56)
 - open/close 7938 (time 1788787059.28 total 120.14 last 66.05)
total: 8000 open/close in 120.97 seconds: 66.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 188 seconds
lru_size = 400
 - unlinked 0 (time 1788787259 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 661 (time 1788787394.86 total 10.00 last 66.07)
 - open/close 1257 (time 1788787404.87 total 20.01 last 59.56)
 - open/close 2057 (time 1788787414.87 total 30.02 last 79.95)
 - open/close 2815 (time 1788787424.90 total 40.04 last 75.63)
 - open/close 3571 (time 1788787434.92 total 50.06 last 75.46)
 - open/close 4298 (time 1788787444.94 total 60.08 last 72.53)
 - open/close 5079 (time 1788787454.97 total 70.11 last 77.84)
 - open/close 5842 (time 1788787464.98 total 80.12 last 76.25)
 - open/close 6627 (time 1788787474.98 total 90.13 last 78.44)
 - open/close 7356 (time 1788787484.99 total 100.13 last 72.87)
total: 8000 open/close in 108.81 seconds: 73.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1788787605 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second