Implementation

Network Layer

qianmoQqianmoQ· 更新于 2026-10-21· 阅读 3 分钟· 0 次阅读

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You are viewing documentation for an older version (4.0) of Kafka. For up-to-date documentation, see the latest version.

Network Layer

Network Layer

The network layer is a fairly straight-forward NIO server, and will not be described in great detail. The sendfile implementation is done by giving the TransferableRecords interface a writeTo method. This allows the file-backed message set to use the more efficient transferTo implementation instead of an in-process buffered write. The threading model is a single acceptor thread and N processor threads which handle a fixed number of connections each. This design has been pretty thoroughly tested elsewhere and found to be simple to implement and fast. The protocol is kept quite simple to allow for future implementation of clients in other languages.

Last modified December 19, 2025: Add license info to every source file and handle `documentation.html` links for all versioned paths. (devlive-community/knowforge#764) (379dba2230)

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