== sanity test 124b: lru resize (performance test) ================================================================================= 11:36:09 (1789140969)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 826 (time 1789140983.85 total 10.01 last 82.55)
 - open/close 1630 (time 1789140993.85 total 20.01 last 80.38)
 - open/close 2482 (time 1789141003.88 total 30.04 last 84.97)
 - open/close 3278 (time 1789141013.89 total 40.04 last 79.54)
 - open/close 4108 (time 1789141023.89 total 50.05 last 82.96)
 - open/close 4882 (time 1789141033.89 total 60.05 last 77.39)
 - open/close 5698 (time 1789141043.90 total 70.06 last 81.54)
 - open/close 6510 (time 1789141053.91 total 80.07 last 81.10)
 - open/close 7268 (time 1789141063.93 total 90.08 last 75.69)
total: 8000 open/close in 99.95 seconds: 80.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
 - unlinked 0 (time 1789141238 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 741 (time 1789141359.38 total 10.00 last 74.07)
 - open/close 1513 (time 1789141369.40 total 20.01 last 77.11)
 - open/close 2327 (time 1789141379.40 total 30.02 last 81.38)
 - open/close 3134 (time 1789141389.40 total 40.02 last 80.67)
 - open/close 3948 (time 1789141399.40 total 50.02 last 81.37)
 - open/close 4830 (time 1789141409.41 total 60.03 last 88.18)
 - open/close 5552 (time 1789141419.42 total 70.03 last 72.14)
 - open/close 6258 (time 1789141429.42 total 80.04 last 70.55)
 - open/close 6855 (time 1789141439.43 total 90.05 last 59.68)
 - open/close 7648 (time 1789141449.43 total 100.05 last 79.28)
total: 8000 open/close in 104.91 seconds: 76.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1789141551 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second