== sanity test 124b: lru resize (performance test) ================================================================================= 22:08:20 (1782871700)
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 4624 (time 1782871713.55 total 10.00 last 462.39)
total: 8000 open/close in 17.48 seconds: 457.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
400
 - unlinked 0 (time 1782871796 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4109 (time 1782871821.87 total 10.00 last 410.88)
total: 8000 open/close in 18.38 seconds: 435.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 30% faster with lru resize enabled
 - unlinked 0 (time 1782871887 ; total 1 ; last 1)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second