== sanity test 124b: lru resize (performance test) ================================================================================= 12:24:43 (1786638283)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 802 (time 1786638297.24 total 10.00 last 80.20)
 - open/close 1665 (time 1786638307.24 total 20.01 last 86.23)
 - open/close 2369 (time 1786638317.26 total 30.03 last 70.26)
 - open/close 2880 (time 1786638327.30 total 40.06 last 50.92)
 - open/close 3456 (time 1786638337.30 total 50.07 last 57.58)
 - open/close 4198 (time 1786638347.31 total 60.08 last 74.14)
 - open/close 5019 (time 1786638357.32 total 70.08 last 82.03)
 - open/close 5828 (time 1786638367.33 total 80.10 last 80.78)
 - open/close 6448 (time 1786638377.34 total 90.11 last 61.95)
 - open/close 6970 (time 1786638387.36 total 100.12 last 52.11)
 - open/close 7374 (time 1786638397.38 total 110.15 last 40.30)
total: 8000 open/close in 119.89 seconds: 66.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 153 seconds
lru_size = 400
 - unlinked 0 (time 1786638569 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 676 (time 1786638686.94 total 10.01 last 67.52)
 - open/close 1547 (time 1786638696.95 total 20.02 last 87.03)
 - open/close 2257 (time 1786638706.95 total 30.02 last 70.98)
 - open/close 3134 (time 1786638716.96 total 40.03 last 87.66)
 - open/close 3998 (time 1786638726.96 total 50.03 last 86.37)
 - open/close 4805 (time 1786638737.03 total 60.10 last 80.14)
 - open/close 5467 (time 1786638747.03 total 70.10 last 66.20)
 - open/close 6219 (time 1786638757.05 total 80.11 last 75.11)
 - open/close 7014 (time 1786638767.06 total 90.12 last 79.42)
 - open/close 7864 (time 1786638777.06 total 100.13 last 84.92)
total: 8000 open/close in 101.63 seconds: 78.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1786638889 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second