== sanity test 124b: lru resize (performance test) ================================================================================= 14:44:39 (1772307879)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9cf287ded000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9cf287ded000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2507 (time 1772307891.26 total 10.00 last 250.64)
 - open/close 6348 (time 1772307901.26 total 20.00 last 384.02)
total: 8000 open/close in 25.09 seconds: 318.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 31 seconds
lru_size = 400
400
 - unlinked 0 (time 1772307940 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9cf287ded000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9cf287ded000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2291 (time 1772307979.31 total 10.00 last 229.01)
 - open/close 6516 (time 1772307989.31 total 20.01 last 422.44)
total: 8000 open/close in 25.90 seconds: 308.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 8 seconds
lru_size = 4052
3955
ls -la is 74% faster with lru resize enabled
 - unlinked 0 (time 1772308007 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second