Xen HVM Optimization Tips Wanted

DomainBop

Dormant VPSB Pathogen
TL;DR any optimization tips welcome for Xen-HVM VPS's, particularly for I/O and cpu weight/credit scheduler etc

The "node"

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i7-3770, 32GB RAM

Debian Wheezy, Xen 4.1.4, xen hypervisor 4.1, xentools 4.3.1, Linux kernel: 3.2 (xen), etc.

current configuration

Name                   ID        Mem       VCPUs      State       Time(s)           CPU_Weight   Disk_Space Type

Domain-0              0        3069       8              r-----        13216.5           768                  1TB              PV

analytics-server    2        6144       8              -b----        12318.2           256                  700G        HVM

web-server            1      16384      8              -b----         24657.5          512                  2.7TB       HVM

ad-server              4      6144        8              -b----         61.9                256                   700G       HVM

serverbear:

dom-0/PV  http://serverbear.com/benchmark/2014/02/12/FiUHn6nJdbjPLYDg

dom-U/HVM http://serverbear.com/benchmark/2014/02/12/rFjKBX9Mt8CclpHV
 
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