== sanity test 124b: lru resize (performance test) ================================================================================= 09:47:07 (1786110427)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1743 (time 1786110439.31 total 10.01 last 174.20)
 - open/close 3279 (time 1786110449.31 total 20.01 last 153.53)
 - open/close 4976 (time 1786110459.31 total 30.01 last 169.63)
 - open/close 6659 (time 1786110469.32 total 40.02 last 168.28)
total: 8000 open/close in 48.28 seconds: 165.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
 - unlinked 0 (time 1786110573 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 1698 (time 1786110616.85 total 10.00 last 169.77)
 - open/close 3303 (time 1786110626.85 total 20.00 last 160.46)
 - open/close 4851 (time 1786110636.86 total 30.01 last 154.72)
 - open/close 6121 (time 1786110646.86 total 40.02 last 126.92)
 - open/close 7484 (time 1786110656.87 total 50.02 last 136.27)
total: 8000 open/close in 53.85 seconds: 148.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1786110718 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second