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OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Configuring gateway access log files in OpenResty Edge

  • Configure access log format on the global config page
  • Configure access logs for the sample application
  • Test access logs
  • Configure access log format on the global config page
  • Configure access logs for the sample application
  • Test access logs

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Load-balancing TCP applications via OpenResty Edge

  • Create a TCP application
  • Create an upstream and a page rule for the TCP application
  • Test the TCP application
  • Create a TCP application
  • Create an upstream and a page rule for the TCP application
  • Test the TCP application

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Configuring error log files in OpenResty Edge

  • Error logs of the sample application
  • Error logs of openresty.com
  • Global error logs
  • Check error logs on servers
  • Error logs of the sample application
  • Error logs of openresty.com
  • Global error logs
  • Check error logs on servers

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Configuring sticky cookies in OpenResty Edge gateways

  • Introduction to Sticky Cookie in OpenResty Edge
  • Enable Sticky Cookie for the sample application
  • Test
  • Disable Sticky Cookie
  • Test
  • Introduction to Sticky Cookie in OpenResty Edge
  • Enable Sticky Cookie for the sample application
  • Test
  • Disable Sticky Cookie
  • Test

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

How to use standard dynamic metrics in OpenResty Edge

  • Introduction to dynamic metrics
  • Enable standard dynamic metrics for the sample application
  • Test
  • Standard dynamic metrics of openresty.org
  • Introduction to dynamic metrics
  • Enable standard dynamic metrics for the sample application
  • Test
  • Standard dynamic metrics of openresty.org

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 6 mins read

Managing traffic to Kubernetes (K8s) upstreams in OpenResty Edge

  • How to create and use Kubernetes upstream
    • Create Kubernetes cluster
    • Create Kubernetes upstream
    • Create a page rule that uses Kubernetes upstream
    • Test
  • How to create and use Kubernetes upstream
    • Create Kubernetes cluster
    • Create Kubernetes upstream
    • Create a page rule that uses Kubernetes upstream
    • Test

OpenResty XRay Nov 1, 2023

OpenResty XRay Updated Nov 1, 2023 6 mins read

How to deploy the on-premises version of OpenResty XRay on Microsoft's Azure cloud

  • Create a subscription and a resource group
  • Create the Azure Kubernetes service
  • Prepare the environment variables
  • Log in to Azure from the command line
  • Create the namespace and secret for Kubernetes
  • Create the Azure Disk
  • Update the configuration file for the persistent volume
  • Update the Kubernetes configuration file
  • Create the persistent volume
  • Deploy the Kubernetes service
  • Configure the application gateway
  • Create a subscription and a resource group
  • Create the Azure Kubernetes service
  • Prepare the environment variables
  • Log in to Azure from the command line
  • Create the namespace and secret for Kubernetes
  • Create the Azure Disk
  • Update the configuration file for the persistent volume
  • Update the Kubernetes configuration file
  • Create the persistent volume
  • Deploy the Kubernetes service
  • Configure the application gateway

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Configure distributed gRPC proxy in OpenResty Edge

  • gRPC sample server and sample service
  • Use the gRPC server as an upstream
  • Test the gRPC service
  • gRPC sample server and sample service
  • Use the gRPC server as an upstream
  • Test the gRPC service

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

High-Performance Web Application Firewall (WAF) in OpenResty Edge

  • Enable WAF for applications
  • Test the WAF settings of applications
  • Disable and re-enable WAF
  • WAF whitelist
  • Change the block action after a WAF hit
  • Test the new block action
  • Create WAF rule set
  • The implementation of WAF in OpenResty Edge
  • Enable WAF for applications
  • Test the WAF settings of applications
  • Disable and re-enable WAF
  • WAF whitelist
  • Change the block action after a WAF hit
  • Test the new block action
  • Create WAF rule set
  • The implementation of WAF in OpenResty Edge

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

The EdgeLang DSL in OpenResty Edge

  • Introduction to Edgelang
  • Add a page rule defined using Edgelang
  • Test
  • Modify the Edgelang definition of the page rule
  • Define WAF rules using Edgelang
  • Edgelang user manual
  • Introduction to Edgelang
  • Add a page rule defined using Edgelang
  • Test
  • Modify the Edgelang definition of the page rule
  • Define WAF rules using Edgelang
  • Edgelang user manual

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

How to pass the real client IP addresses to backend servers via special request headers

  • Set up page rules for applications
  • Test
Photo by Yichun Zhang
  • Set up page rules for applications
  • Test

OpenResty XRay Apr 10, 2024

OpenResty XRay Updated Apr 10, 2024 12 mins read

Analyzing the Most CPU-Consuming Requests in OpenResty or Nginx

  • System Environment
  • CPU-Hottest Request Hostnames
  • CPU-Hottest Request URIs
  • Digging Deeper
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools
Photo by Yichun Zhang
  • System Environment
  • CPU-Hottest Request Hostnames
  • CPU-Hottest Request URIs
  • Digging Deeper
  • Running Directly in the Web Console
  • Tracing Applications inside Containers
  • How The Tools are Implemented
  • The Overhead of the Tools

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Configure HTTP basic auth in OpenResty Edge

  • Configure the HTTP basic auth credentials for applications
    • Add a basic auth user group
    • Enable the basic authentication
    • Test
  • Configure the global HTTP basic auth
    • Add a global basic auth user group
    • Configure the global auth for application
Photo by Yichun Zhang
  • Configure the HTTP basic auth credentials for applications
    • Add a basic auth user group
    • Enable the basic authentication
    • Test
  • Configure the global HTTP basic auth
    • Add a global basic auth user group
    • Configure the global auth for application

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 6 mins read

How to use custom dynamic metrics in OpenResty Edge

  • Introduction to dynamic metrics
  • Create custom dynamic metrics for the sample application
  • Test
Photo by Yichun Zhang
  • Introduction to dynamic metrics
  • Create custom dynamic metrics for the sample application
  • Test

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Limit Request Rate by Custom Keys in OpenResty Edge

  • Add request rate limiting page rule for the sample application
  • Test
  • Limit the rate of SSL handshakes
Photo by Yichun Zhang
  • Add request rate limiting page rule for the sample application
  • Test
  • Limit the rate of SSL handshakes

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Gateway Config's Version Control & Release Management in OpenResty Edge

  • Create a page rule for the sample application
  • Release the page rule
  • Test
  • Modify the page rule
  • Release the modification
  • Test the modification
  • Revert the release
  • Test of the release reverting
Photo by Yichun Zhang
  • Create a page rule for the sample application
  • Release the page rule
  • Test
  • Modify the page rule
  • Release the modification
  • Test the modification
  • Revert the release
  • Test of the release reverting

OpenResty Showman Jul 22, 2023

OpenResty Showman Updated Jul 22, 2023 10 mins read

Auto-Generate Demo Videos for Google Search from Screenplay Docs (via OpenResty Showman)

Photo by Yichun Zhang

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Set Different Host Headers for Upstream Requests in OpenResty Edge

  • Before setting the Host header of the upstream request
  • Set the Host header of the upstream request
  • Test of the new page rule
Photo by Yichun Zhang
  • Before setting the Host header of the upstream request
  • Set the Host header of the upstream request
  • Test of the new page rule

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Redirect to different URIs Based on Clients' Language Settings (OpenResty Edge)

  • The origin site which supports different languages
  • Create a page rule for redirection
  • Test the new page rule
  • Add a new page rule to redirect to the English page
  • Test the new page rule
Photo by Yichun Zhang
  • The origin site which supports different languages
  • Create a page rule for redirection
  • Test the new page rule
  • Add a new page rule to redirect to the English page
  • Test the new page rule

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Enforce the use of SSL in websites via OpenResty Edge

  • Create the page rules to redirect HTTP requests
  • Test the page rule
Photo by Yichun Zhang
  • Create the page rules to redirect HTTP requests
  • Test the page rule

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Issue Free SSL Certificates via Let's Encrypt in OpenResty Edge

  • Add wildcard domains to the sample application
  • Add SSL certificates
  • Test
Photo by Yichun Zhang
  • Add wildcard domains to the sample application
  • Add SSL certificates
  • Test

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Upload SSL Certificates for HTTPS Sites in OpenResty Edge

  • Upload the SSL certificate for the sample application
  • Test the uploaded certificate
Photo by Yichun Zhang
  • Upload the SSL certificate for the sample application
  • Test the uploaded certificate

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 4 mins read

Real-Time Purge HTTP Cache in OpenResty Edge

  • Create a cache purge job for the sample application
  • Verify the cache status
  • Try purging by URL prefixes
  • Custom purge conditions
Photo by Yichun Zhang
  • Create a cache purge job for the sample application
  • Verify the cache status
  • Try purging by URL prefixes
  • Custom purge conditions

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 5 mins read

Enable HTTP Cache in OpenResty Edge

  • Enable response caching for the sample application
  • Test the response caching
Photo by Yichun Zhang
  • Enable response caching for the sample application
  • Test the response caching

OpenResety Edge Nov 1, 2023

OpenResety Edge Updated Nov 1, 2023 6 mins read

Set up a Simplest Reverse Proxy and Load Balancer with OpenResty Edge

  • Create a sample application
  • Create an upstream for the sample application
  • Create a page rule to make use of the upstream
  • Release the configuration
Photo by Yichun Zhang
  • Create a sample application
  • Create an upstream for the sample application
  • Create a page rule to make use of the upstream
  • Release the configuration

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Install OpenResty on Ubuntu 20.04 via apt-get

Photo by Ubuntu

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 5 mins read

Streaming HTTP Response Output in OpenResty

Photo by Michal Matlon

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Precompile Lua Modules into LuaJIT Bytecode to Speedup OpenResty Startup

Photo by Yichun Zhang

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Timing Lua Code Correctly in OpenResty

Photo by Andrik Langfield

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 3 mins read

Lookup OpenResty Documentation on Terminal with restydoc

Photo by Cristina Gottardi

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Share Data Across Requests Served by OpenResty

Photo by Gautam Ganguly

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Install OpenResty on CentOS 8 via dnf

Photo by Yichun Zhang

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

The resty Command-Line Utility Demo

Photo by Markus Spiske & Yichun Zhang

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 4 mins read

Write Your Own Lua Modules for OpenResty Applications

Photo by Gerry Roarty

OpenResty Open Source Oct 20, 2023

OpenResty Open Source Updated Oct 20, 2023 3 mins read

Hello World HTTP Example in OpenResty

Photo by 2Photo Pots
xray request demo
Trending

OpenResty XRay Jan 14, 2023

OpenResty XRay Jan 14, 2023

Automatic Analysis Reports in OpenResty XRay
Photo by Yichun Zhang
  • The Past
  • The Present
  • The Future

OpenResty XRay Nov 12, 2021

OpenResty XRay Nov 12, 2021

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1 of 4)
Photo by Yichun Zhang
  • What is Dynamic Tracing
  • Why the “Y” Name
  • Getting Started
  • Various Backends and Runtimes
  • Why a Unified Frontend Language
  • The Language Syntax

OpenResty XRay Aug 31, 2020

OpenResty XRay Aug 31, 2020

Introduction to Lua-Land CPU Flame Graphs
Photo by Guido Jansen
  • What is a Flame Graph
  • Simple Lua samples
  • Complicated Lua applications
  • Sampling overhead
  • Safety
  • Compatibility
  • Other types of Lua-land Flame Graphs

OpenResty XRay Aug 10, 2020

OpenResty XRay Aug 10, 2020

Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones
Photo by Elena Mozhvilo
  • An empty zone
  • Filling entries of similar sizes
  • Deleting odd-numbered keys
  • Deleting the keys in the first half
  • Mitigating Fragmentation

OpenResty XRay Aug 4, 2020

OpenResty XRay Aug 4, 2020

How OpenResty and Nginx Shared Memory Zones Consume RAM
Photo by Jose G. Ortega Castro
  • Slabs and pages
  • What is allocated is not what is paid for
  • Fake Memory Leaks
  • HUP reload

OpenResty XRay Jan 21, 2020

OpenResty XRay Jan 21, 2020

How OpenResty and Nginx Allocate and Manage Memory
Photo by Harrison Broadbent
  • On The System Level
  • On The Application Level
  • For Traditional Nginx Servers
Latest Articles

OpenResety Edge Apr 10, 2024

OpenResety Edge Apr 10, 2024

Accurately Restore the Real Client IP Address in OpenResty Edge
Photo by Yichun Zhang
  • Set “Trusted hosts to set real IP” and “Real IP from” Globally
  • Configure the Application to Output the Client Address
  • Check the Client Address Received on OpenResty Edge
  • What is OpenResty Edge

OpenResty XRay Apr 4, 2024

OpenResty XRay Apr 4, 2024

Use C++ to Dynamic-Trace C++ Applications
Photo by Yichun Zhang
  • Setting Up the Target C++ Program
  • Crafting the C++ (or Y++) Analyzer
  • Operationalizing the Target and Analyzer
  • Advancing Support for Complex C++ Applications
  • About the Debug Symbols

OpenResty XRay Apr 1, 2024

OpenResty XRay Apr 1, 2024

Pinpointing the hottest Erlang code paths with high CPU usage (using OpenResty XRay)
Pinpointing the hottest Erlang code paths with high CPU usage (using OpenResty XRay)
  • Problem: high CPU usage
  • Spot the CPU-hottest Erlang code paths
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Mar 30, 2024

OpenResty XRay Mar 30, 2024

How to Trace Exceptions inside Perl Applications (using OpenResty XRay)
How to Trace Exceptions inside Perl Applications (using OpenResty XRay)
  • How to detect and analyze exceptions inside Perl applications
  • Automatic analysis and reports
  • What is OpenResty XRay

OpenResty XRay Mar 27, 2024

OpenResty XRay Mar 27, 2024

Analyze OpenResty/Nginx Applications without Debug Symbols (using OpenResty XRay)
Analyze OpenResty/Nginx Applications without Debug Symbols (using OpenResty XRay)
  • Problem: Debug Symbols are missing
  • Automatically Analyze and Rebuild Debug Symbols
  • Automatic analysis and reports
  • What is OpenResty XRay
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