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Optimizing Linux® Performance: A Hands-On Guide to Linux® Performance Tools by Phillip G. Ezolt

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Chapter 7. Performance Tools: Network

This chapter introduces some of the network performance tools available on Linux. We primarily focus on the tools that analyze the network traffic on a single box rather than network-wide management tools. Although network performance evaluation usually does not make sense in total isolation (that is, nodes do not normally talk to themselves), it is valuable to investigate the behavior of a single system on the network to identify local configuration and application problems. In addition, understanding the characteristics of network traffic on a single system can help to locate other problem systems, or local hardware and applications errors that slow down network performance.

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