以下的文章主要讲述的是Mysql 复制设置的实际操作步骤,如果你对Mysql 复制设置的实际操作步骤相关的实际操作有兴趣的话,你就可以对以下的文章点击观看了。以下就是相关内容的具体描述。 1、停止mysql服务 2、Mysql 复制设置mysql所有文件,包括数据文件 3
以下的文章主要讲述的是Mysql 复制设置的实际操作步骤,如果你对Mysql 复制设置的实际操作步骤相关的实际操作有兴趣的话,你就可以对以下的文章点击观看了。以下就是相关内容的具体描述。
1、停止mysql服务
2、Mysql 复制设置mysql所有文件,包括数据文件
3、master的my.ini基本不需要修改,缺省已经配置成master方式:
<ol class="dp-xml"> <li class="alt"><span><span class="attribute">log-bin</span><span>=</span><span class="attribute-value">mysql</span><span>-bin </span></span></li> <li> <span class="attribute">binlog_format</span><span>=</span><span class="attribute-value">mixed</span><span> </span> </li> <li class="alt"> <span class="attribute">server-id</span><span> = </span><span class="attribute-value">1</span><span> </span> </li> </ol>
4、slave的my.ini需要修改如下:
去掉3中的master配置,添加如下内容:
<ol class="dp-xml"> <li class="alt"><span><span class="attribute">server-id</span><span> = </span><span class="attribute-value">2</span><span> </span></span></li> <li> <span class="attribute">master-host</span><span> = </span><span class="attribute-value">localhost</span><span> </span> </li> <li class="alt"> <span class="attribute">master-user</span><span> = </span><span class="attribute-value">replication</span><span> </span> </li> <li> <span class="attribute">master-password</span><span> = </span><span class="attribute-value">replication</span><span> </span> </li> <li class="alt"> <span class="attribute">master-port</span><span> = </span><span class="attribute-value">3306</span><span> </span> </li> </ol>
replicate-do-db=需要Mysql 复制设置的数据库
<ol class="dp-xml"><li class="alt"><span><span class="attribute">master-connect-retry</span><span>=</span><span class="attribute-value">10</span><span> </span></span></li></ol>
修改端口为3307等, 添加replication用户用于进行Mysql 复制设置。
5、重启master、slave数据库。
6、如果master设置成功,可以通过show master status;命令看到如下信息:
<ol class="dp-xml"> <li class="alt"><span><span>+------------------+----------+--------------+------------------+ </span></span></li> <li><span>| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | </span></li> <li class="alt"><span>+------------------+----------+--------------+------------------+ </span></li> <li><span>| mysql-bin.000007 | 39259 | | | </span></li> <li class="alt"><span>+------------------+----------+--------------+------------------+ </span></li> <li><span>1 row in set (0.00 sec) </span></li> </ol>
7、如果全部设置成功,在slave中运行show slave status;命令,可以看到相应的配置参数,说明master、slave都设置正常。
8、如果想通过CHANGE MASTER TO命令修改相应的参数,需要首先用stop slave;命令停止slave,修改成功后再运行start slave;启动slave服务。
注意:开始直接停止mysql服务最方便,不需要进行锁表的操作。
上述的相关内容就是对Mysql 复制设置的描述,希望会给你带来一些帮助在此方面。

MySQL is an open source relational database management system, mainly used to store and retrieve data quickly and reliably. Its working principle includes client requests, query resolution, execution of queries and return results. Examples of usage include creating tables, inserting and querying data, and advanced features such as JOIN operations. Common errors involve SQL syntax, data types, and permissions, and optimization suggestions include the use of indexes, optimized queries, and partitioning of tables.

MySQL is an open source relational database management system suitable for data storage, management, query and security. 1. It supports a variety of operating systems and is widely used in Web applications and other fields. 2. Through the client-server architecture and different storage engines, MySQL processes data efficiently. 3. Basic usage includes creating databases and tables, inserting, querying and updating data. 4. Advanced usage involves complex queries and stored procedures. 5. Common errors can be debugged through the EXPLAIN statement. 6. Performance optimization includes the rational use of indexes and optimized query statements.

MySQL is chosen for its performance, reliability, ease of use, and community support. 1.MySQL provides efficient data storage and retrieval functions, supporting multiple data types and advanced query operations. 2. Adopt client-server architecture and multiple storage engines to support transaction and query optimization. 3. Easy to use, supports a variety of operating systems and programming languages. 4. Have strong community support and provide rich resources and solutions.

InnoDB's lock mechanisms include shared locks, exclusive locks, intention locks, record locks, gap locks and next key locks. 1. Shared lock allows transactions to read data without preventing other transactions from reading. 2. Exclusive lock prevents other transactions from reading and modifying data. 3. Intention lock optimizes lock efficiency. 4. Record lock lock index record. 5. Gap lock locks index recording gap. 6. The next key lock is a combination of record lock and gap lock to ensure data consistency.

The main reasons for poor MySQL query performance include not using indexes, wrong execution plan selection by the query optimizer, unreasonable table design, excessive data volume and lock competition. 1. No index causes slow querying, and adding indexes can significantly improve performance. 2. Use the EXPLAIN command to analyze the query plan and find out the optimizer error. 3. Reconstructing the table structure and optimizing JOIN conditions can improve table design problems. 4. When the data volume is large, partitioning and table division strategies are adopted. 5. In a high concurrency environment, optimizing transactions and locking strategies can reduce lock competition.

In database optimization, indexing strategies should be selected according to query requirements: 1. When the query involves multiple columns and the order of conditions is fixed, use composite indexes; 2. When the query involves multiple columns but the order of conditions is not fixed, use multiple single-column indexes. Composite indexes are suitable for optimizing multi-column queries, while single-column indexes are suitable for single-column queries.

To optimize MySQL slow query, slowquerylog and performance_schema need to be used: 1. Enable slowquerylog and set thresholds to record slow query; 2. Use performance_schema to analyze query execution details, find out performance bottlenecks and optimize.

MySQL and SQL are essential skills for developers. 1.MySQL is an open source relational database management system, and SQL is the standard language used to manage and operate databases. 2.MySQL supports multiple storage engines through efficient data storage and retrieval functions, and SQL completes complex data operations through simple statements. 3. Examples of usage include basic queries and advanced queries, such as filtering and sorting by condition. 4. Common errors include syntax errors and performance issues, which can be optimized by checking SQL statements and using EXPLAIN commands. 5. Performance optimization techniques include using indexes, avoiding full table scanning, optimizing JOIN operations and improving code readability.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

WebStorm Mac version
Useful JavaScript development tools

Dreamweaver Mac version
Visual web development tools

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

Zend Studio 13.0.1
Powerful PHP integrated development environment