== sanity test 124b: lru resize (performance test) ================================================================================= 04:24:57 (1789374297)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 809 (time 1789374311.24 total 10.00 last 80.86)
 - open/close 1613 (time 1789374321.24 total 20.01 last 80.39)
 - open/close 2183 (time 1789374331.24 total 30.01 last 56.97)
 - open/close 2680 (time 1789374341.27 total 40.03 last 49.58)
 - open/close 3282 (time 1789374351.27 total 50.04 last 60.19)
 - open/close 4022 (time 1789374361.29 total 60.06 last 73.86)
 - open/close 4553 (time 1789374371.29 total 70.06 last 53.08)
 - open/close 5454 (time 1789374381.29 total 80.06 last 90.08)
 - open/close 6270 (time 1789374391.30 total 90.07 last 81.55)
 - open/close 7147 (time 1789374401.31 total 100.07 last 87.64)
 - open/close 7708 (time 1789374411.32 total 110.09 last 56.00)
total: 8000 open/close in 115.19 seconds: 69.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1789374592 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
 - open/close 903 (time 1789374700.59 total 10.01 last 90.17)
 - open/close 1709 (time 1789374710.59 total 20.02 last 80.58)
 - open/close 2598 (time 1789374720.59 total 30.02 last 88.86)
 - open/close 3517 (time 1789374730.59 total 40.02 last 91.88)
 - open/close 4499 (time 1789374740.62 total 50.04 last 98.00)
 - open/close 5472 (time 1789374750.62 total 60.05 last 97.23)
 - open/close 6170 (time 1789374760.63 total 70.06 last 69.72)
 - open/close 6771 (time 1789374770.64 total 80.07 last 60.06)
 - open/close 7749 (time 1789374780.65 total 90.07 last 97.73)
total: 8000 open/close in 92.61 seconds: 86.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 61% faster with lru resize enabled
 - unlinked 0 (time 1789374864 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second