== sanity test 124b: lru resize (performance test) ================================================================================= 23:03:53 (1786417433)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 584 (time 1786417448.97 total 10.01 last 58.36)
 - open/close 1333 (time 1786417458.98 total 20.02 last 74.81)
 - open/close 2023 (time 1786417469.00 total 30.04 last 68.87)
 - open/close 2690 (time 1786417479.01 total 40.05 last 66.65)
 - open/close 3341 (time 1786417489.01 total 50.05 last 65.07)
 - open/close 3999 (time 1786417499.02 total 60.06 last 65.74)
 - open/close 4681 (time 1786417509.03 total 70.07 last 68.14)
 - open/close 5388 (time 1786417519.04 total 80.07 last 70.66)
 - open/close 6077 (time 1786417529.04 total 90.08 last 68.86)
 - open/close 6733 (time 1786417539.06 total 100.10 last 65.48)
 - open/close 7372 (time 1786417549.07 total 110.10 last 63.86)
total: 8000 open/close in 118.16 seconds: 67.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 170 seconds
lru_size = 400
 - unlinked 0 (time 1786417738 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 764 (time 1786417872.59 total 10.01 last 76.31)
 - open/close 1497 (time 1786417882.61 total 20.03 last 73.15)
 - open/close 2210 (time 1786417892.61 total 30.03 last 71.29)
 - open/close 2937 (time 1786417902.62 total 40.04 last 72.64)
 - open/close 3636 (time 1786417912.64 total 50.05 last 69.81)
 - open/close 4359 (time 1786417922.64 total 60.06 last 72.25)
 - open/close 5084 (time 1786417932.64 total 70.06 last 72.49)
 - open/close 5808 (time 1786417942.64 total 80.06 last 72.40)
 - open/close 6603 (time 1786417952.65 total 90.07 last 79.48)
 - open/close 7305 (time 1786417962.68 total 100.10 last 69.97)
total: 8000 open/close in 109.25 seconds: 73.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8008
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1786418103 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second