== sanity test 124b: lru resize (performance test) ================================================================================= 22:36:31 (1787106991)
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 4132 (time 1787107003.76 total 10.00 last 413.15)
total: 8000 open/close in 18.47 seconds: 433.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
400
 - unlinked 0 (time 1787107101 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2882 (time 1787107128.40 total 10.00 last 288.12)
 - open/close 5508 (time 1787107138.40 total 20.01 last 262.50)
total: 8000 open/close in 27.90 seconds: 286.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 4006
4001
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1787107217 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second