== sanity test 124b: lru resize (performance test) ================================================================================= 14:43:15 (1772480595)
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 3948 (time 1772480611.56 total 10.00 last 394.75)
total: 8000 open/close in 19.89 seconds: 402.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
400
 - unlinked 0 (time 1772480694 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5029 (time 1772480716.28 total 10.00 last 502.89)
total: 8000 open/close in 15.86 seconds: 504.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4052
3955
ls -la is 30% faster with lru resize enabled
 - unlinked 0 (time 1772480778 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second