== sanity test 124b: lru resize (performance test) ================================================================================= 21:27:23 (1786757243)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 875 (time 1786757258.16 total 10.01 last 87.44)
 - open/close 1707 (time 1786757268.18 total 20.02 last 83.11)
 - open/close 2525 (time 1786757278.18 total 30.03 last 81.74)
 - open/close 3280 (time 1786757288.19 total 40.03 last 75.47)
 - open/close 4008 (time 1786757298.19 total 50.03 last 72.79)
 - open/close 4619 (time 1786757308.19 total 60.04 last 61.07)
 - open/close 5369 (time 1786757318.21 total 70.05 last 74.88)
 - open/close 6066 (time 1786757328.21 total 80.06 last 69.66)
 - open/close 6973 (time 1786757338.22 total 90.06 last 90.66)
 - open/close 7834 (time 1786757348.22 total 100.07 last 86.06)
total: 8000 open/close in 102.15 seconds: 78.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
400
 - unlinked 0 (time 1786757535 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 726 (time 1786757657.74 total 10.01 last 72.49)
 - open/close 1544 (time 1786757667.74 total 20.02 last 81.76)
 - open/close 2372 (time 1786757677.74 total 30.02 last 82.79)
 - open/close 3412 (time 1786757687.75 total 40.03 last 103.91)
 - open/close 4248 (time 1786757697.75 total 50.03 last 83.56)
 - open/close 5102 (time 1786757707.76 total 60.03 last 85.40)
 - open/close 5949 (time 1786757717.77 total 70.05 last 84.60)
 - open/close 6936 (time 1786757727.80 total 80.08 last 98.33)
 - open/close 7678 (time 1786757737.82 total 90.10 last 74.06)
total: 8000 open/close in 94.24 seconds: 84.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 116 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1786757883 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second