== sanity test 124b: lru resize (performance test) ================================================================================= 00:32:07 (1787200327)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 707 (time 1787200342.31 total 10.00 last 70.67)
 - open/close 1468 (time 1787200352.31 total 20.00 last 76.10)
 - open/close 2219 (time 1787200362.31 total 30.01 last 75.08)
 - open/close 3031 (time 1787200372.32 total 40.01 last 81.15)
 - open/close 3825 (time 1787200382.33 total 50.02 last 79.33)
 - open/close 4663 (time 1787200392.33 total 60.02 last 83.78)
 - open/close 5426 (time 1787200402.34 total 70.03 last 76.27)
 - open/close 6200 (time 1787200412.34 total 80.03 last 77.39)
 - open/close 6973 (time 1787200422.34 total 90.04 last 77.26)
 - open/close 7662 (time 1787200432.36 total 100.05 last 68.79)
total: 8000 open/close in 104.32 seconds: 76.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 166 seconds
lru_size = 400
 - unlinked 0 (time 1787200612 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 843 (time 1787200727.11 total 10.00 last 84.28)
 - open/close 1535 (time 1787200737.11 total 20.01 last 69.15)
 - open/close 2383 (time 1787200747.11 total 30.01 last 84.80)
 - open/close 3087 (time 1787200757.15 total 40.05 last 70.15)
 - open/close 3801 (time 1787200767.16 total 50.06 last 71.31)
 - open/close 4595 (time 1787200777.18 total 60.08 last 79.25)
 - open/close 5248 (time 1787200787.19 total 70.08 last 65.25)
 - open/close 6023 (time 1787200797.19 total 80.09 last 77.48)
 - open/close 6745 (time 1787200807.20 total 90.10 last 72.13)
 - open/close 7477 (time 1787200817.21 total 100.11 last 73.13)
total: 8000 open/close in 106.97 seconds: 74.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787200931 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second