== sanity test 124b: lru resize (performance test) ================================================================================= 17:51:43 (1784411503)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4239 (time 1784411515.08 total 10.00 last 423.86)
total: 8000 open/close in 19.39 seconds: 412.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
400
 - unlinked 0 (time 1784411594 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4551 (time 1784411616.17 total 10.00 last 455.02)
total: 8000 open/close in 17.09 seconds: 467.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1784411674 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second