== sanity test 124b: lru resize (performance test) ================================================================================= 00:09:58 (1784088598)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5094 (time 1784088611.67 total 10.00 last 509.40)
total: 8000 open/close in 16.52 seconds: 484.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1784088690 ; 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 4642 (time 1784088713.36 total 10.00 last 464.11)
total: 8000 open/close in 17.81 seconds: 449.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1784088778 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second