== sanity test 124b: lru resize (performance test) ================================================================================= 20:19:14 (1781828354)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 732 (time 1781828369.42 total 10.00 last 73.19)
 - open/close 1495 (time 1781828379.43 total 20.01 last 76.24)
 - open/close 2274 (time 1781828389.44 total 30.02 last 77.81)
 - open/close 3055 (time 1781828399.45 total 40.03 last 78.05)
 - open/close 3880 (time 1781828409.46 total 50.04 last 82.42)
 - open/close 4667 (time 1781828419.46 total 60.04 last 78.70)
 - open/close 5077 (time 1781828429.46 total 70.04 last 40.99)
 - open/close 5423 (time 1781828439.47 total 80.05 last 34.55)
 - open/close 5879 (time 1781828449.47 total 90.05 last 45.59)
 - open/close 6667 (time 1781828459.48 total 100.06 last 78.77)
 - open/close 7413 (time 1781828469.48 total 110.06 last 74.55)
total: 8000 open/close in 117.09 seconds: 68.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1781828642 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second
 - open/close 948 (time 1781828718.55 total 10.00 last 94.79)
 - open/close 1890 (time 1781828728.57 total 20.02 last 94.00)
 - open/close 2785 (time 1781828738.57 total 30.03 last 89.45)
 - open/close 3673 (time 1781828748.58 total 40.03 last 88.75)
 - open/close 4573 (time 1781828758.58 total 50.03 last 90.00)
 - open/close 5415 (time 1781828768.58 total 60.04 last 84.18)
 - open/close 6366 (time 1781828778.59 total 70.05 last 94.98)
 - open/close 7270 (time 1781828788.60 total 80.05 last 90.36)
total: 8000 open/close in 87.97 seconds: 90.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1781828883 ; total 0 ; last 0)
total: 8000 unlinks in 58 seconds: 137.931030 unlinks/second