== sanity test 124b: lru resize (performance test) ================================================================================= 11:05:48 (1775228748)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3755 (time 1775228760.31 total 10.00 last 375.33)
 - open/close 5815 (time 1775228770.32 total 20.01 last 205.80)
total: 8000 open/close in 25.40 seconds: 314.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
 - unlinked 0 (time 1775228841 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4218 (time 1775228865.87 total 10.00 last 421.79)
total: 8000 open/close in 18.24 seconds: 438.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 39 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1775228920 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second