== sanity test 124b: lru resize (performance test) ================================================================================= 00:13:48 (1763356428)
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 4189 (time 1763356442.29 total 10.00 last 418.87)
total: 8000 open/close in 19.03 seconds: 420.44 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 1763356521 ; 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 4700 (time 1763356543.88 total 10.00 last 469.98)
total: 8000 open/close in 17.43 seconds: 458.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1763356602 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second