MySQL 调优(视野二 都可优化什么)
- 8.1 Optimization Overview
- 8.2 Optimizing SQL Statements
- 8.2.1 Optimizing SELECT Statements
- 8.2.2 Optimizing Subqueries and Derived Tables
- 8.2.3 Optimizing INFORMATION_SCHEMA Queries
- 8.2.4 Optimizing Data Change Statements
- 8.2.5 Optimizing Database Privileges
- 8.2.6 Other Optimization Tips
- 8.3 Optimization and Indexes
- 8.3.1 How MySQL Uses Indexes
- 8.3.2 Primary Key Optimization
- 8.3.3 Foreign Key Optimization
- 8.3.4 Column Indexes
- 8.3.5 Multiple-Column Indexes
- 8.3.6 Verifying Index Usage
- 8.3.7 InnoDB and MyISAM Index Statistics Collection
- 8.3.8 Comparison of B-Tree and Hash Indexes
- 8.3.9 Use of Index Extensions
- 8.3.10 Indexed Lookups from TIMESTAMP Columns
- 8.4 Optimizing Database Structure
- 8.4.1 Optimizing Data Size
- 8.4.2 Optimizing MySQL Data Types
- 8.4.3 Optimizing for Many Tables
- 8.4.4 Internal Temporary Table Use in MySQL
- 8.4.5 Limits on Number of Databases and Tables
- 8.4.6 Limits on Table Size
- 8.4.7 Limits on Table Column Count and Row Size
- 8.5 Optimizing for InnoDB Tables
- 8.5.1 Optimizing Storage Layout for InnoDB Tables
- 8.5.2 Optimizing InnoDB Transaction Management
- 8.5.3 Optimizing InnoDB Read-Only Transactions
- 8.5.4 Optimizing InnoDB Redo Logging
- 8.5.5 Bulk Data Loading for InnoDB Tables
- 8.5.6 Optimizing InnoDB Queries
- 8.5.7 Optimizing InnoDB DDL Operations
- 8.5.8 Optimizing InnoDB Disk I/O
- 8.5.9 Optimizing InnoDB Configuration Variables
- 8.5.10 Optimizing InnoDB for Systems with Many Tables
- 8.6 Optimizing for MyISAM Tables
- 8.6.1 Optimizing MyISAM Queries
- 8.6.2 Bulk Data Loading for MyISAM Tables
- 8.6.3 Optimizing REPAIR TABLE Statements
- 8.7 Optimizing for MEMORY Tables
- 8.8 Understanding the Query Execution Plan
- 8.8.1 Optimizing Queries with EXPLAIN
- 8.8.2 EXPLAIN Output Format
- 8.8.3 Extended EXPLAIN Output Format
- 8.8.4 Estimating Query Performance
- 8.9 Controlling the Query Optimizer
- 8.9.1 Controlling Query Plan Evaluation
- 8.9.2 Switchable Optimizations
- 8.9.3 Index Hints
- 8.10 Buffering and Caching
- 8.10.1 InnoDB Buffer Pool Optimization
- 8.10.2 The MyISAM Key Cache
- 8.10.3 The MySQL Query Cache
- 8.10.4 Caching of Prepared Statements and Stored Programs
- 8.11 Optimizing Locking Operations
- 8.11.1 Internal Locking Methods
- 8.11.2 Table Locking Issues
- 8.11.3 Concurrent Inserts
- 8.11.4 Metadata Locking
- 8.11.5 External Locking
- 8.12 Optimizing the MySQL Server
- 8.12.1 System Factors
- 8.12.2 Optimizing Disk I/O
- 8.12.3 Using Symbolic Links
- 8.12.4 Optimizing Memory Use
- 8.13 Measuring Performance (Benchmarking)
- 8.13.1 Measuring the Speed of Expressions and Functions
- 8.13.2 The MySQL Benchmark Suite
- 8.13.3 Using Your Own Benchmarks
- 8.13.4 Measuring Performance with performance_schema
- 8.14 Examining Server Thread (Process) Information
- 8.14.1 Accessing the Process List
- 8.14.2 Thread Command Values
- 8.14.3 General Thread States
- 8.14.4 Delayed-Insert Thread States
- 8.14.5 Query Cache Thread States
- 8.14.6 Replication Source Thread States
- 8.14.7 Replication Replica I/O Thread States
- 8.14.8 Replication Replica SQL Thread States
- 8.14.9 Replication Replica Connection Thread States
- 8.14.10 NDB Cluster Thread States
- 8.14.11 Event Scheduler Thread States