== sanity test 124b: lru resize (performance test) ================================================================================= 15:41:02 (1771447262)
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 2881 (time 1771447276.39 total 10.00 last 288.00)
 - open/close 5316 (time 1771447286.39 total 20.00 last 243.49)
total: 8000 open/close in 28.31 seconds: 282.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 400
400
 - unlinked 0 (time 1771447383 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2970 (time 1771447408.94 total 10.00 last 296.92)
 - open/close 5722 (time 1771447418.94 total 20.00 last 275.20)
total: 8000 open/close in 28.44 seconds: 281.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 4052
3955
ls -la is 8% faster with lru resize enabled
 - unlinked 0 (time 1771447514 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second