== sanity test 124b: lru resize (performance test) ================================================================================= 00:44:51 (1770443091)
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 3114 (time 1770443105.53 total 10.00 last 311.40)
 - open/close 6252 (time 1770443115.53 total 20.00 last 313.79)
total: 8000 open/close in 26.10 seconds: 306.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
400
 - unlinked 0 (time 1770443190 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3476 (time 1770443212.54 total 10.00 last 347.57)
 - open/close 7276 (time 1770443222.54 total 20.00 last 379.97)
total: 8000 open/close in 22.23 seconds: 359.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 4006
4001
ls -la is 13% faster with lru resize enabled
 - unlinked 0 (time 1770443287 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second