== sanity test 124b: lru resize (performance test) ================================================================================= 04:07:38 (1769764058)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4533 (time 1769764072.95 total 10.00 last 453.24)
total: 8000 open/close in 17.57 seconds: 455.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 400
400
 - unlinked 0 (time 1769764179 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4249 (time 1769764202.81 total 10.00 last 424.84)
total: 8000 open/close in 18.29 seconds: 437.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 4052
3955
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1769764287 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second