== sanity test 124b: lru resize (performance test) ================================================================================= 05:41:37 (1786959697)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 713 (time 1786959711.54 total 10.01 last 71.23)
 - open/close 1401 (time 1786959721.56 total 20.03 last 68.69)
 - open/close 2054 (time 1786959731.56 total 30.03 last 65.29)
 - open/close 2742 (time 1786959741.57 total 40.04 last 68.73)
 - open/close 3486 (time 1786959751.57 total 50.04 last 74.37)
 - open/close 4199 (time 1786959761.58 total 60.04 last 71.29)
 - open/close 4909 (time 1786959771.58 total 70.04 last 71.00)
 - open/close 5654 (time 1786959781.59 total 80.05 last 74.42)
 - open/close 6240 (time 1786959791.60 total 90.06 last 58.54)
 - open/close 6827 (time 1786959801.61 total 100.08 last 58.61)
 - open/close 7416 (time 1786959811.63 total 110.10 last 58.80)
total: 8000 open/close in 119.25 seconds: 67.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 202 seconds
lru_size = 400
 - unlinked 0 (time 1786960032 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 557 (time 1786960175.07 total 10.00 last 55.69)
 - open/close 1251 (time 1786960185.07 total 20.01 last 69.38)
 - open/close 1955 (time 1786960195.07 total 30.01 last 70.36)
 - open/close 2646 (time 1786960205.08 total 40.02 last 69.05)
 - open/close 3390 (time 1786960215.09 total 50.02 last 74.35)
 - open/close 4092 (time 1786960225.09 total 60.02 last 70.20)
 - open/close 4773 (time 1786960235.10 total 70.04 last 68.02)
 - open/close 5446 (time 1786960245.10 total 80.04 last 67.29)
 - open/close 6075 (time 1786960255.10 total 90.04 last 62.88)
 - open/close 6864 (time 1786960265.12 total 100.06 last 78.77)
 - open/close 7512 (time 1786960275.13 total 110.07 last 64.74)
total: 8000 open/close in 117.93 seconds: 67.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1786960399 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second