== sanity test 124b: lru resize (performance test) ================================================================================= 07:51:38 (1789991498)
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 2600 (time 1789991512.22 total 10.00 last 259.94)
 - open/close 5479 (time 1789991522.22 total 20.00 last 287.83)
 - open/close 7939 (time 1789991532.23 total 30.01 last 245.95)
total: 8000 open/close in 30.22 seconds: 264.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1789991618 ; 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 3484 (time 1789991643.83 total 10.00 last 348.38)
 - open/close 7563 (time 1789991653.83 total 20.00 last 407.85)
total: 8000 open/close in 21.27 seconds: 376.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 4006
4001
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1789991725 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second