== sanity test 124b: lru resize (performance test) ================================================================================= 00:39:54 (1784176794)
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 4347 (time 1784176809.03 total 10.00 last 434.65)
total: 8000 open/close in 18.35 seconds: 436.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
400
 - unlinked 0 (time 1784176909 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4203 (time 1784176932.76 total 10.00 last 420.28)
total: 8000 open/close in 18.20 seconds: 439.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 4006
4001
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1784177008 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second