(1) Change a mirror site
I changed the download mirror site from the default to California US.
I got the high performance!
[root@rcmp-sv01 ~]# vi /etc/pacman.d/mirrorlist
[root@rcmp-sv01 ~]# cat etc/pacman.d/mirrorlist
#
# Arch Linux ARM repository mirrorlist
# Generated on 2013-01-02
#
## Geo-IP based mirror selection and load balancing
#Server = http://mirror.archlinuxarm.org/armv6h/$repo ADD '#"
### United States
## Delaware
# Server = http://de.us.mirror.archlinuxarm.org/armv6h/$repo
## California
Server = http://ca.us.mirror.archlinuxarm.org/armv6h/$repo Delete '#'
## Nebraska
# Server = http://ne.us.mirror.archlinuxarm.org/armv6h/$repo
## New York
# Server = http://us.mirror.archlinuxarm.org/armv6h/$repo
## Virginia
# Server = http://va.us.mirror.archlinuxarm.org/armv6h/$repo
peace!
