High Performance Drupal. Fast and Scalable Designs (ebook)(audiobook)(audiobook)

Spis treści

• High Performance Drupal
• Dedication
• Preface
  • Does Drupal Scale?
  • Goals of This Book
  • Supported Drupal Versions
  • How This Book Is Organized
    • Performance Analysis
    • Application Performance
    • Infrastructure
    • Databases
    • Web Servers and Reverse Proxies
    • Ongoing Testing
    • Where to Next?
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
  • Acknowledgments
    • From Jeff
    • From Narayan
    • From Nat
• 1. Beginning a Performance Project
  • Getting Started with Performance Improvements
  • Establishing a Performance Baseline
  • Setting Goals for Website Performance
  • The Many Aspects of Drupal Performance
  • Creating a Prioritized List of Improvements
• 2. Frontend Performance
  • Limiting HTTP Requests
    • Audits
  • Image Requests
  • Minification
    • Minification On the Fly
    • Preminification for Modules/Themes
    • Minifying During the Build Process
  • Compression
  • Cacheable Headers
  • CDNs
  • Keep Third-Party Libraries Up to Date
    • jQuery Update
  • External Scripts
  • Single Points of Failure (SPOFs)
• 3. Drupal Performance Out of the Box
  • Page Caching
  • When Should You Use Page Caching?
    • Internal Page Caching
    • Reverse Proxy Caching
  • CSS and JavaScript Aggregation
  • Logging
  • The Cache and Other Swappable Storage
  • Cron
  • Views
• 4. Drupal Coding for Optimal Performance
  • Context Matters
  • False Optimizations
  • Listing Entities
    • entityQuery()
    • Multiple Entity Loading
  • Caching
    • Static Caching
    • Persistent Caching
      • Cache chains
      • Cache bins
      • getMultiple()/setMultiple()/deleteMultiple()
      • Cache tags
      • CacheArray
      • Render caching
  • Queues and Workers
  • Cache Stampedes and Race Conditions
• 5. Drupal Coding for Abysmal Performance
  • variable_set() Abuse
  • External Requests
  • Sessions
  • Excessive Cache Granularity
  • PHP Errors
  • Debug Code in the Code Base
  • Development Settings
• 6. Verifying Changes
  • Analyzing Frontend Performance
    • YSlow and Google PageSpeed
    • Waterfall Charts
    • Real User Monitoring
  • Analyzing Application Performance
    • The Devel Module
      • Page timing
      • Memory usage
      • Query log
    • Xdebug
    • XHProf
    • strace
• 7. Infrastructure Design and Planning
  • Horizontal and Vertical Scaling
  • Service Categorization
  • Working Well Together
  • Example Two-Layer Configuration
  • Example Larger-Scale Infrastructure
  • Development and Staging Environments
  • Internal Network Layout
  • Utility Servers
  • High Availability and Failover
  • Hosting Considerations
  • Summary
• 8. Service Monitoring
  • The Importance of Monitoring Services
  • Monitoring Alerts with Icinga
    • What to Monitor
    • How to Tune Monitoring
  • Graphing Monitoring Data
  • Internal Versus Remote Monitoring
• 9. DevOps: Breaking Down Barriers Between Development and Operations
  • Revision Control Systems
    • Locally Hosted or External Service
    • Not Just for Code
  • Configuration Management Systems
    • Which System to Use
  • Pulling It Together: In-Depth Example with Puppet and Git
  • Development Virtual Machines
    • How to Distribute Development VMs with Vagrant
  • Deployment Workflow
    • Example Workflow with Git
  • Deployment with Jenkins CI
• 10. File Storage for Multiple Web Servers
  • rsync
  • GlusterFS
    • Example Configuration
  • Single NFS Server
  • HA NFS Cluster
    • Example Configuration
    • Setting Up DRBD
    • Setting Up Heartbeat
    • Setting Up NFS
    • Testing
  • Storage Area Networks (SANs)
• 11. Drupal and Cloud Deployments
  • What Is the Cloud?
  • Why Use the Cloud?
  • Infrastructure Overhead
  • Prepackaged Clouds
  • Common Issues with Cloud Deployments and Their Mitigations
• 12. Failover Configuration
  • IP Failover Versus DNS Failover
  • Service-Level Issues
  • Heartbeat
    • Installation
    • Configuration
    • Usage
• 13. MySQL
  • Drupal and MySQL Engines
  • Versions of MySQL
    • Oracle MySQL
    • MariaDB
    • Percona Server
  • General Configuration
    • Global Configuration
    • Per-Thread Configuration
    • Storage Engine Configuration
  • Replication
  • Virtualized Deployments
• 14. Tools for Managing and Monitoring MySQL
  • Percona Toolkit
  • Openark Kit
  • mysqlreport
  • Percona Monitoring Plug-Ins
• 15. MySQL Query Optimization
  • Index Basics
  • Base Tables and Join Order
  • Common Issues
    • The ORDER BY on an Unrelated Table
    • The Useless DISTINCT (In Case of Accidents!)
    • Starfish Syndrome (All LEFT JOINS)
    • Node Access
• 16. Alternative Storage and Cache Backends
  • Cache, Lock, and Session Storage
  • Memcache In Depth
    • PHP Extensions for Memcache
    • Assigning Memcached Servers and Bins
    • Memcache Locking and Stampede Protection
    • What to Store in Memcache
    • Configuring the Memcache Daemon
  • How to Break Your Site with Memcache
    • Inconsistent Caching
    • Constant Evictions
    • Vanishing Sessions
  • Entity/Field Storage
    • EntityFieldQuery/EntityQuery
    • CRUD
    • MongoDB
• 17. Solr Search
  • Performance and Scalability Considerations
  • Integrating Solr with Drupal
  • Solr Configuration
  • Indexing Content
  • Infrastructure Considerations
  • Solr Replication
  • Drupal Module Installation
• 18. PHP and httpd Configuration
  • APC: PHP Opcode Cache
  • php.ini Settings
  • PHP Apache Module Versus CGI
  • Apache MPM Settings
  • Prefork Thread Settings
  • KeepAlive
  • Cache Headers
  • Logging
  • Server Signature
  • Administrative Directory or VirtualHost
  • Nginx
    • Why Not Use Nginx Everywhere?
• 19. Reverse Proxies and Content Delivery Networks
  • Using a Reverse Proxy with Drupal
  • Understanding Varnish Configuration Language
    • Defining a Backend
    • Directors: Dealing with Multiple Backend Servers
    • Built-in VCL Subroutines
    • Customizing Subroutines
  • Cookies and Varnish
  • Caching for Authenticated Users
  • Edge-Side Includes
  • Serving Expired Content
  • Error Pages
  • Memory Allocation
  • Logging and Monitoring Varnish
  • Sample VCL for Drupal
  • Content Delivery Networks
    • Serving Static Content Through a CDN
    • When to Use a CDN
    • Choosing Between a CDN and a Reverse Proxy
• 20. Load Testing
  • Different Types of Load Tests
  • Creating a Valid Test
  • When to Test
    • Continuous Integration (CI)
    • Periodic Testing
    • Manual Targeted Testing
  • Interpreting Test Results
  • Server Monitoring During Load Tests
  • Where to Test
  • Example Load Test Using JMeter
    • Global Test Settings
    • Thread Groups
    • Handling Cookies
    • Login Controller
    • Browse Controller
    • Output Configuration
    • Running a Test
    • Reading Test Results
• 21. Where to Next?
  • Official Book Website
  • High Performance Drupal Group
  • Drupal Watchdog
  • Revision Control with Git
  • Varnish
  • Configuration Management
  • Vagrant
  • Jenkins
  • MySQL Performance
  • InnoDB Index Structures
• Index
• About the Authors
• Colophon
• Copyright

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