== sanity test 124b: lru resize (performance test) ================================================================================= 03:15:48 (1788938148)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 749 (time 1788938162.11 total 10.00 last 74.87)
 - open/close 1656 (time 1788938172.12 total 20.02 last 90.60)
 - open/close 2463 (time 1788938182.12 total 30.02 last 80.70)
 - open/close 3283 (time 1788938192.12 total 40.02 last 81.97)
 - open/close 4075 (time 1788938202.13 total 50.03 last 79.14)
 - open/close 4906 (time 1788938212.13 total 60.03 last 83.08)
 - open/close 5782 (time 1788938222.14 total 70.04 last 87.51)
 - open/close 6663 (time 1788938232.16 total 80.05 last 87.97)
 - open/close 7437 (time 1788938242.16 total 90.06 last 77.33)
total: 8000 open/close in 98.74 seconds: 81.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1788938414 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 863 (time 1788938532.79 total 10.00 last 86.30)
 - open/close 1790 (time 1788938542.79 total 20.00 last 92.68)
 - open/close 2600 (time 1788938552.80 total 30.01 last 80.97)
 - open/close 3413 (time 1788938562.80 total 40.01 last 81.25)
 - open/close 4223 (time 1788938572.81 total 50.02 last 80.96)
 - open/close 5152 (time 1788938582.81 total 60.02 last 92.86)
 - open/close 5824 (time 1788938592.82 total 70.03 last 67.14)
 - open/close 6523 (time 1788938602.82 total 80.03 last 69.89)
 - open/close 7183 (time 1788938612.84 total 90.05 last 65.90)
 - open/close 7967 (time 1788938622.85 total 100.06 last 78.28)
total: 8000 open/close in 100.40 seconds: 79.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1788938729 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second