== sanity test 124b: lru resize (performance test) ================================================================================= 15:14:17 (1783451657)
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 4624 (time 1783451670.30 total 10.00 last 462.38)
total: 8000 open/close in 16.61 seconds: 481.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1783451746 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4970 (time 1783451767.47 total 10.00 last 496.94)
total: 8000 open/close in 17.11 seconds: 467.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4006
4001
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1783451829 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second