| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 579.9KB PDF | Date added | 27 Oct 2003 |
| Topics | File and Network Servers, Server Consolidation | ||
| Downloads | 1331  popular | ||
VMware ESX Server is a software platform that efficiently multiplexes the hardware resources of a server among virtual machines. This paper studies the performance of a key component of the ESX Server architecture: its storage subsystem. The authors characterize the performance of native systems and virtual machines using a series of disk microbenchmarks on several different storage systems. It is shown that the virtual machines perform well compared to native, and that the I/O behavior of virtual machines closely matches that of the native server. The paper then discusses how the microbenchmarks can be used to estimate virtual machine performance for disk-intensive applications by studying two workloads: a simple file server and a commercial mail server.
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