== sanity test 124b: lru resize (performance test) ================================================================================= 22:26:55 (1781231215)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 730 (time 1781231231.19 total 10.00 last 72.99)
 - open/close 1417 (time 1781231241.23 total 20.03 last 68.49)
 - open/close 2129 (time 1781231251.23 total 30.04 last 71.15)
 - open/close 2883 (time 1781231261.23 total 40.04 last 75.38)
 - open/close 3591 (time 1781231271.24 total 50.05 last 70.73)
 - open/close 4354 (time 1781231281.25 total 60.06 last 76.24)
 - open/close 5161 (time 1781231291.26 total 70.06 last 80.68)
 - open/close 5970 (time 1781231301.26 total 80.06 last 80.90)
 - open/close 6783 (time 1781231311.26 total 90.07 last 81.23)
 - open/close 7546 (time 1781231321.27 total 100.07 last 76.28)
total: 8000 open/close in 106.67 seconds: 75.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
400
 - unlinked 0 (time 1781231508 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 858 (time 1781231625.99 total 10.03 last 85.55)
 - open/close 1716 (time 1781231635.99 total 20.03 last 85.78)
 - open/close 2537 (time 1781231646.02 total 30.06 last 81.90)
 - open/close 3383 (time 1781231656.04 total 40.08 last 84.37)
 - open/close 4082 (time 1781231666.06 total 50.10 last 69.80)
 - open/close 4909 (time 1781231676.06 total 60.10 last 82.67)
 - open/close 5762 (time 1781231686.07 total 70.11 last 85.28)
 - open/close 6599 (time 1781231696.07 total 80.11 last 83.67)
 - open/close 7362 (time 1781231706.11 total 90.15 last 76.02)
total: 8000 open/close in 97.45 seconds: 82.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1781231823 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second