OpenResty 技术图谱

Basic Concepts

• HTTP / HTTP2
• RESTful API & API GateWay
• Microservice
• Domain Specific Language(DSL)
• C10K & C1M
• non-blocking & asynchronous I/O
• event loop
• I/O mutiplexing
• Streaming processing
• coroutine
• Test Driven Development(TDD)

Around Tech Stack

• MySQL
• PostgreSQL
• Redis
• OpenSSL
• regex
• sregex

Testing

• TDD & Unit Testing
• Test::Nginx
• curl & ab & wrk

Debugging

• debugging log
• core dump
• Dynamic Tracing
• SystemTap
• Flame Graph
• on-CPU & off-CPU
• nginx-systemtap-toolkit
• stapxx
• nginx-gdb-utils
• valgrind

Caching

• ngx.shared.DICT
• lua-resty-lrucache
• dog-pile effect
• lua-resty-lock
• lua-resty-shcache
• ngx_srcache

Limiting Traffic

• lua-resty-limit-traffic
• limit-count
• limit-rate
• limit-concurrency

NGINX

• log
• static file
• load balancer
• proxy
• phase
• tuning for performance
• if is evil
• Stream module

LuaJIT

• Standard Lua
• JIT（Just-In-Time Compiler）
• NYI (Not Yet Implemented)
• ffi.* API
• jit.* Library

ngx_lua

• directives
• NGINX API for Lua(ngx.*,tcpsock.*,coroutine.*)
• resty-core
• semaphore
• balancer_by_lua
• ssl_certificate_by_lua
• stream-lua-nginx-module
• cosocket TCP/UDP
• hot load lua code
• OPM
• resty client

Resources

• awesome-resty