== sanity test 124b: lru resize (performance test) ================================================================================= 06:42:37 (1786358557)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4415 (time 1786358571.38 total 10.00 last 441.41)
total: 8000 open/close in 18.20 seconds: 439.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1786358657 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4445 (time 1786358678.43 total 10.00 last 444.43)
total: 8000 open/close in 16.86 seconds: 474.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 4052
3955
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1786358738 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second