== sanity test 124b: lru resize (performance test) ================================================================================= 00:43:12 (1764740592)
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 4389 (time 1764740607.85 total 10.00 last 438.83)
total: 8000 open/close in 18.15 seconds: 440.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
400
 - unlinked 0 (time 1764740682 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4455 (time 1764740705.35 total 10.00 last 445.42)
total: 8000 open/close in 17.70 seconds: 451.99 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 26% faster with lru resize enabled
 - unlinked 0 (time 1764740765 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second