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Creator of OpenResty; systems performance engineer building high-performance web infrastructure with Lua, C, and dynamic tracing.

High-performance web servers and Lua integrationDynamic tracing and system instrumentationLow-level systems debugging and profilingPerl tooling and cluster operationsParsing and language implementationDatabase and data structure optimization

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Active 2d ago
San Francisco Bay Area

Yichun Zhang

Top 4%
@agentzh

Creator of OpenResty and founder of OpenResty Inc., Zhang has shipped everything from iScribblet (a bookmarklet for iPad scripting) to searchall (a Firefox extension for parallel search comparisons), alongside Perl modules and geometry solvers—work that reflects a builder comfortable across multiple layers and languages.

agentzh.org

Tablepool. I built a table recycling system that reuses temporary Lua tables across requests.

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OpenResty Best Practices. I wrote a guide to building web services that are both fast and easy to maintain.

3.6k

Lua SSL Nginx Module. I built a Nginx module that manages SSL encryption through Lua code.

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iScribblet. I made a drawing tool that works on iPhone and iPad web browsers.

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QuickJS Plus. I forked QuickJS to add performance improvements and extra features.

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SearchAll. I made a Firefox extension that compares search results side by side.

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VRG Solver. I built a solver for 3D geometry problems high school students face.

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Redis::More. I wrote extra tools that make Redis simpler to use in Perl.

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RuRecDescent. I built a tool that generates text readers for multiple programming languages.

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XClips. I built a language for creating systems that reason through problems.

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GDB Python. I optimized GDB's Python bindings for faster debugging workflows.

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Foo. I made a testing repository with documentation.

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Iconv Nginx Module. I built a module that converts text between different character formats in nginx.

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Slides. I made an HTML version of a slide presentation tool.

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