== sanity test 124b: lru resize (performance test) ================================================================================= 22:38:01 (1789526281)
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 1472 (time 1789526293.36 total 10.00 last 147.15)
 - open/close 2997 (time 1789526303.37 total 20.01 last 152.37)
 - open/close 4788 (time 1789526313.37 total 30.02 last 179.04)
 - open/close 7082 (time 1789526323.38 total 40.02 last 229.28)
total: 8000 open/close in 44.78 seconds: 178.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
400
 - unlinked 0 (time 1789526421 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1149 (time 1789526463.42 total 10.01 last 114.81)
 - open/close 2296 (time 1789526473.43 total 20.01 last 114.67)
 - open/close 3624 (time 1789526483.43 total 30.01 last 132.76)
 - open/close 4986 (time 1789526493.44 total 40.02 last 136.12)
 - open/close 6336 (time 1789526503.44 total 50.02 last 134.95)
 - open/close 7660 (time 1789526513.44 total 60.02 last 132.40)
total: 8000 open/close in 62.57 seconds: 127.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4006
4001
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1789526572 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second