Recent Posts

Zimbra Collaboration Server Performance on vSphere 5


Zimbra Collaboration Server is VMware’s mail, calendaring, and collaboration software. A performance study looks at how the mail server performs on vSphere 5. Test results demonstrate the following: Due to optimizations made within Zimbra Collaboration Server and the tickless timer within Red Hat Enterprise Linux (RHEL) 6, Zimbra Collaboration Server in a virtual machine can Read more...

SQL Server Performance on VMware vSphere 4.0


    VMware recently published a whitepaper titled “Performance and Scalability of Microsoft SQL Server on VMware vSphere 4“ that demonstrates VMware vSphere 4.0 can virtualize large SQL Server deployments with excellent performance and scalability. The paper documents results for a resource intensive OLTP workload running against a SQL Server 2008 database on the Windows Server 2008 Read more...