Performance Tuning

In its default, “out of the box” configuration, FreeBSD is optimized for low-end hardware and to be extremely safe and reliable. This means that under heavy demand load, the system will perform much more poorly than similarly equipped Linux or Windowsservers. This isn't because FreeBSD is an inferior platform; rather, it's because it needs to be tuned for high-performance operation. The other platforms to which it's compared tend to be optimized for high performance by default, to the exclusion of low-end hardware. Very few sites that run FreeBSD servers do so without tuning the system for higher performance.

Performance tuning involves several different areas of the system, some of which require kernel reconfiguration (as ...

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