== sanity test 124b: lru resize (performance test) ================================================================================= 18:08:37 (1763161717)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4603 (time 1763161730.37 total 10.00 last 460.20)
total: 8000 open/close in 17.76 seconds: 450.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1763161805 ; 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 4568 (time 1763161828.24 total 10.00 last 456.76)
total: 8000 open/close in 17.14 seconds: 466.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4006
4001
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1763161886 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second