SQL Server Performance on VMware vSphere 4.0

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    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...

Measuring the Cost of SMP with Mixed Workloads

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It is no secret that vSphere 4.0 delivers excellent performance and provides the capability to virtualize the beefiest of workloads. Several impressive performance studies using ESX 4.0 have been already been presented. (My favorite is this database performance whitepaper.) However, I continue to hear questions about the scheduling overhead of larger VMs within a heavily-utilized, mixed-workload Read more...

VMware breaks the 50,000 SPECweb2005 barrier using VMware vSphere 4

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VMware has achieved a SPECweb2005 benchmark score of 50,166 using VMware vSphere 4, a 14% improvement over the world record results previously published on VI3. Our latest results further strengthen the position of VMware vSphere as an industry leader in web serving, thanks to a number of performance enhancements and features that are included in Read more...

SAP Performance with vSphere 4

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VMware recently published a whitepaper that demonstrates VMware vSphere 4’s excellent performance and scalability with SAP ERP software.  The paper presents results of several experiments using VMware vSphere and SAP software with both the Microsoft Windows Server 2008 and SUSE Linux 10.2 operating systems. First, vSphere’s support for nested page tables (AMD Rapid Virtual Indexing, Read more...