GitHub - Microsoft/Ethr: Ethr is a Network Performance Measurement Tool for TCP, UDP & HTTP.
Ethr is a cross platform network performance measurement tool written in golang. The goal of this project is to provide a native tool for comprehensive network performance measurements of bandwidth, connections/s, packets/s, latency, loss & jitter, across multiple protocols such as TCP, UDP, HTTP, HTTPS, and across multiple platforms such as Windows, Linux and other Unix systems. Ethr takes inspir
BPF Performance Toolsを読んだ感想 - go_vargoのブログ
BPF Performance Toolsを読んだので、感想ブログです。 先に感想を言っておくと「最高」でした。 BPF Performance Toolsとは？ NetflixでKernel・パフォーマンスにかかわるチューニング・アーキテクチャを専門にしているBrendan Greggさんが書いた本です。BPFのiovisorというTracing分野の第一人者でもあります。 www.brendangregg.com 2019年12月に発売したばかりなので、BPFの分野では最新の本でしょう。他の著書に有名な本として(日本語版の)「詳解システム・パフォーマンス」があります。 BPF Performance Toolsは「詳解システム・パフォーマンス」第二弾と言えるかもしれません。ちなみにページ数は880Pあり、Kindleで表示される読み終わるための平均的な時間は「27時間30分」で、大作R
mTCP - Scalable User-level TCP Stack
What is mTCP? mTCP is a high-performance user-level TCP stack for multicore systems. Scaling the performance of short TCP connections is fundamentally challenging due to inefficiencies in the kernel. mTCP addresses these inefficiencies from the ground up - from packet I/O and TCP connection management all the way to the application interface. Besides adopting well-known techniques, our mTCP stack
HAProxy - The Reliable, High Perf. TCP/HTTP Load Balancer
Quick News Dec, 5th, 2023 : HAProxy 2.9.0 release This release has received a lot of small changes that are difficult to summarize. Most of them were aimed at improving performance and resource usage in general (zero-copy forwarding, QUIC's smaller footprint for closed connections, improved scalability), others focusing on better integration with other components (support for the AWS-LC crypto lib
How TCP backlog works in Linux
When an application puts a socket into LISTEN state using the listen syscall, it needs to specify a backlog for that socket. The backlog is usually described as the limit for the queue of incoming connections. Because of the 3-way handshake used by TCP, an incoming connection goes through an intermediate state SYN RECEIVED before it reaches the ESTABLISHED state and can be returned by the accept s
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