== sanity test 124b: lru resize (performance test) ================================================================================= 03:03:23 (1788591803)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 820 (time 1788591818.21 total 10.00 last 81.97)
 - open/close 1557 (time 1788591828.22 total 20.01 last 73.66)
 - open/close 2196 (time 1788591838.22 total 30.01 last 63.88)
 - open/close 2786 (time 1788591848.22 total 40.02 last 58.98)
 - open/close 3568 (time 1788591858.23 total 50.02 last 78.17)
 - open/close 4306 (time 1788591868.23 total 60.02 last 73.78)
 - open/close 5098 (time 1788591878.24 total 70.03 last 79.15)
 - open/close 5815 (time 1788591888.24 total 80.03 last 71.68)
 - open/close 6656 (time 1788591898.25 total 90.04 last 84.01)
 - open/close 7533 (time 1788591908.26 total 100.05 last 87.63)
total: 8000 open/close in 105.27 seconds: 75.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
 - unlinked 0 (time 1788592099 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
 - open/close 820 (time 1788592214.16 total 10.00 last 81.98)
 - open/close 1696 (time 1788592224.18 total 20.02 last 87.47)
 - open/close 2519 (time 1788592234.18 total 30.02 last 82.26)
 - open/close 3337 (time 1788592244.19 total 40.03 last 81.74)
 - open/close 4086 (time 1788592254.19 total 50.03 last 74.89)
 - open/close 4907 (time 1788592264.20 total 60.04 last 82.06)
 - open/close 5739 (time 1788592274.20 total 70.04 last 83.20)
 - open/close 6384 (time 1788592284.20 total 80.05 last 64.44)
 - open/close 7085 (time 1788592294.21 total 90.05 last 70.05)
 - open/close 7731 (time 1788592304.21 total 100.05 last 64.60)
total: 8000 open/close in 103.32 seconds: 77.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1788592411 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second