VMware vCenter 4.0 Database Performance
VMware just posted a new white paper detailing the results of VMware’s performance micro-benchmarks on a vCenter 4.0 database with Microsoft SQL Server.
VMware vCenter Server uses a database to store metadata on the state of a VMware vSphere™ environment. Performance statistics and their associated stored procedure operations are among the largest and the most resource-intensive components of the vCenter database. Hence, the performance of your vCenter database depends upon the frequency at which you collect performance statistics and the level of detail of the statistics you store.
The purpose of this study is to present the performance results of tests we conducted of a vSphere 4.0 environment using Microsoft SQL Server 2008 as the vCenter database. The study measures the amount of time it takes to initiate and run the stored procedures in the vCenter database that periodically perform statistics rollups and purges. By knowing how long these procedures run, you can make informed decisions about what levels to set for the collection of performance statistics, whether you should expect to make allowances for additional hardware memory (or less), and identify what your database storage needs will be regarding the archival of performance statistics data.
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