== sanity test 124b: lru resize (performance test) ================================================================================= 01:10:00 (1782537000)
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 4184 (time 1782537015.14 total 10.00 last 418.38)
 - open/close 7811 (time 1782537025.15 total 20.00 last 362.62)
total: 8000 open/close in 20.49 seconds: 390.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 400
400
 - unlinked 0 (time 1782537131 ; 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 3671 (time 1782537157.51 total 10.00 last 367.09)
 - open/close 7510 (time 1782537167.51 total 20.00 last 383.84)
total: 8000 open/close in 21.30 seconds: 375.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 4006
4001
ls -la is 25% faster with lru resize enabled
 - unlinked 0 (time 1782537254 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second