== sanity test 124b: lru resize (performance test) ================================================================================= 08:14:08 (1768569248)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1490 (time 1768569261.21 total 10.00 last 148.95)
 - open/close 2702 (time 1768569271.21 total 20.01 last 121.17)
 - open/close 4183 (time 1768569281.23 total 30.02 last 147.84)
 - open/close 5446 (time 1768569291.23 total 40.02 last 126.29)
 - open/close 6882 (time 1768569301.23 total 50.03 last 143.59)
total: 8000 open/close in 57.59 seconds: 138.91 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 1768569388 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1955 (time 1768569419.75 total 10.00 last 195.46)
 - open/close 3914 (time 1768569429.76 total 20.01 last 195.79)
 - open/close 5716 (time 1768569439.77 total 30.02 last 180.06)
total: 8000 open/close in 38.52 seconds: 207.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1768569498 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second