== sanity test 124b: lru resize (performance test) ================================================================================= 00:47:55 (1790398075)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2768 (time 1790398089.73 total 10.00 last 276.79)
 - open/close 5946 (time 1790398099.73 total 20.00 last 317.69)
total: 8000 open/close in 27.49 seconds: 291.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 400
400
 - unlinked 0 (time 1790398195 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3483 (time 1790398221.41 total 10.00 last 348.27)
 - open/close 7507 (time 1790398231.41 total 20.00 last 402.36)
total: 8000 open/close in 22.13 seconds: 361.57 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 33% faster with lru resize enabled
 - unlinked 0 (time 1790398298 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second