OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約6分

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

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約5分

Configure distributed gRPC proxy in OpenResty Edge

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

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約5分

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

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約5分

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

OpenResty Open Source Nov 8, 2024

OpenResty Open Source 更新日 Nov 8, 2024 読了時間 約2分

OpenResty 1.21.4.2 RC1 is out

• Source package
• Windows binary packages
• Version highlights

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約6分

When Lua IPC Pipes Block OpenResty or Nginx's Event Loops

• The Problem
• Analyses
• Solutions
• Results

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約26分

The Wonderland of Dynamic Tracing (Part 1 of 3)

• Dynamic Tracing
• What It Is
• Too Good to be True?
• How it Works
• Still Having Doubts?
• The Advantages of Dynamic Tracing
• DTrace
• SystemTap
• DTrace and SystemTap
• Applications of SystemTap in Production

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約15分

The Wonderland of Dynamic Tracing (Part 2 of 3)

• Flame Graphs
• Methodology
• Knowledge Is Power
• Open-Source and Debug Symbols

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約7分

The Wonderland of Dynamic Tracing (Part 3 of 3)

• Dynamic Tracing Support in Linux Kernels
• Hardware Tracing
• Analyze Remains of Dead Process
• Traditional Debugging Technologies
• A Messy World of Debugging
• OpenResty XRay

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約8分

Optimize Memory Fragmentation due to Huge Nginx Configuration

• Challenges
• Analyses
• Solutions
• Results

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 预计阅读 1 分钟

New FAQ Doc for OpenResty XRay

We recently prepared a new FAQ document for OpenResty XRay

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約10分

Automatic Analysis Reports in OpenResty XRay

• The Past
• The Present
• The Future

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約6分

Resolving Bilibili’s major site incident with OpenResty XRay

• The incident
• Process of resolution
• Hardening after the incident
• OpenResty XRay Services

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約11分

Tracing the Slowest PCRE Regular Expressions in OpenResty or Nginx Processes

• System Environment
• Narrowing Down the Culprit without Guessing
• Limiting the execution overhead of PCRE
• Non-Backtracking Regular Expression Engines
• Lua’s Builtin Patterns
• Tracing Applications inside Containers
• How The Tools are Implemented
• The Overhead of the Tools

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約9分

Listing Loaded Lua Modules in OpenResty or Nginx Processes

• System Environment
• Names of Loaded Lua Modules
• Running Directly in the Web Console
• Tracing Applications inside Containers
• How The Tools are Implemented
• The Overhead of the Tools

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約11分

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

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約6分

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

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約6分

How to use custom dynamic metrics in OpenResty Edge

• Introduction to dynamic metrics
• Create custom dynamic metrics for the sample application
• Test

OpenResety Edge Nov 8, 2024

OpenResety Edge 更新日 Nov 8, 2024 読了時間 約5分

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

OpenResty XRay Nov 8, 2024

OpenResty XRay 更新日 Nov 8, 2024 読了時間 約14分

Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 4 of 4)

• Transparent Container Tracing
• Efficient Stack Unwinding
• Analyzing Dead Processes (Core Dumps)
• Very Low Tracing Overhead
• Standard Ylang Libraries & Tools
• Network Filtering & Control
• The Ylang Compiler’s Implementation
• Operating System Support
• Contributions to Open-Source Communities