== sanity test 124b: lru resize (performance test) ================================================================================= 12:11:25 (1786810285)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 928 (time 1786810300.28 total 10.01 last 92.75)
 - open/close 1907 (time 1786810310.29 total 20.01 last 97.83)
 - open/close 2714 (time 1786810320.29 total 30.02 last 80.66)
 - open/close 3684 (time 1786810330.30 total 40.02 last 96.93)
 - open/close 4687 (time 1786810340.30 total 50.02 last 100.30)
 - open/close 5625 (time 1786810350.31 total 60.03 last 93.72)
 - open/close 6571 (time 1786810360.31 total 70.04 last 94.53)
 - open/close 7638 (time 1786810370.32 total 80.04 last 106.67)
total: 8000 open/close in 83.35 seconds: 95.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1786810457 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 999 (time 1786810563.59 total 10.01 last 99.85)
 - open/close 2028 (time 1786810573.60 total 20.01 last 102.89)
 - open/close 2927 (time 1786810583.60 total 30.01 last 89.88)
 - open/close 3942 (time 1786810593.60 total 40.01 last 101.44)
 - open/close 5094 (time 1786810603.62 total 50.03 last 114.99)
 - open/close 5883 (time 1786810613.64 total 60.05 last 78.74)
 - open/close 6824 (time 1786810623.65 total 70.06 last 94.04)
 - open/close 7874 (time 1786810633.66 total 80.07 last 104.93)
total: 8000 open/close in 81.34 seconds: 98.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 4052
3955
ls -la is 5% faster with lru resize enabled
 - unlinked 0 (time 1786810725 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second