== sanity test 124b: lru resize (performance test) ================================================================================= 15:09:06 (1782932946)
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 4669 (time 1782932960.85 total 10.00 last 466.87)
total: 8000 open/close in 17.34 seconds: 461.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 400
400
 - unlinked 0 (time 1782933050 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4673 (time 1782933073.01 total 10.00 last 467.24)
total: 8000 open/close in 17.14 seconds: 466.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 62 seconds
lru_size = 4006
4001
ls -la is 21% faster with lru resize enabled
 - unlinked 0 (time 1782933149 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second