== sanity test 124b: lru resize (performance test) ================================================================================= 08:23:14 (1769088194)
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 5516 (time 1769088207.98 total 10.00 last 551.57)
total: 8000 open/close in 15.20 seconds: 526.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
400
 - unlinked 0 (time 1769088281 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4656 (time 1769088304.08 total 10.00 last 465.52)
total: 8000 open/close in 16.95 seconds: 471.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1769088360 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second