为什么在本地测试ajax反应很慢
在本地测试ajax接收分页数据 要反应1s左右（以上） 但是放到服务器上就100ms到 900多ms之间 有什么好的办法解决ajax获取速度慢吗 已经把分页数据换成json了 没多大改善
数据大小显示是在2.9kb 耗时1.03s 处理逻辑就是简单查询了一下mysql的10条信息 字段也就3个
又测试了一下 返回一个很小的 392b的数据 还是返回在1s左右 应该是我本地数据库查询慢的问题了吗？
用的是jquery加ajax
回复内容：
在本地测试ajax接收分页数据 要反应1s左右（以上） 但是放到服务器上就100ms到 900多ms之间 有什么好的办法解决ajax获取速度慢吗 已经把分页数据换成json了 没多大改善
数据大小显示是在2.9kb 耗时1.03s 处理逻辑就是简单查询了一下mysql的10条信息 字段也就3个
又测试了一下 返回一个很小的 392b的数据 还是返回在1s左右 应该是我本地数据库查询慢的问题了吗？
用的是jquery加ajax
这个问题很可能是你的本地是支持IPv6，并且你本地的Mysql支持反向解析惹的祸。
问题的解决办法有三种：
修改本地连接数据库
localhost改为127.0.0.1，这是最简单的办法。注册表禁用IPv6
MySql禁用反向解析。
这里有篇博客可以参考一下：http://blog.onephp.net/archives/32/
需要先看看慢在了哪里。从数据上看似乎还是后台处理逻辑耗时长，这个就要看实现的逻辑怎么调优了。另外建议用chrome的开发者工具看看request各段的响应时间，再诊断一下是不是和网络有关。
@lovnie 问问题是需要技巧的，一个简单的办法是自问自答。
问：ajax请求本地慢，服务器快，是哪里导致的？
答：本地不太可能是网络问题，那就是后台接口慢咯！（那就debug调试看看接口响应时间啦）
问：接口哪里慢？（假设之前的分析是对的）
答：加上日志，分析耗时代码在哪里
然后这个问题就变成了XXX代码运行的为什么这么慢，再搜索一把，自己分析一下，解决不了再来提问，这样问题显得高级多了
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
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1669
14
1428
52
1329
25
1273
29
1256
24
MySQL: The Database, phpMyAdmin: The Management Interface
Apr 29, 2025 am 12:44 AM
MySQL and phpMyAdmin can be effectively managed through the following steps: 1. Create and delete database: Just click in phpMyAdmin to complete. 2. Manage tables: You can create tables, modify structures, and add indexes. 3. Data operation: Supports inserting, updating, deleting data and executing SQL queries. 4. Import and export data: Supports SQL, CSV, XML and other formats. 5. Optimization and monitoring: Use the OPTIMIZETABLE command to optimize tables and use query analyzers and monitoring tools to solve performance problems.
What is the significance of the session_start() function?
May 03, 2025 am 12:18 AM
session_start()iscrucialinPHPformanagingusersessions.1)Itinitiatesanewsessionifnoneexists,2)resumesanexistingsession,and3)setsasessioncookieforcontinuityacrossrequests,enablingapplicationslikeuserauthenticationandpersonalizedcontent.
Steps to add and delete fields to MySQL tables
Apr 29, 2025 pm 04:15 PM
In MySQL, add fields using ALTERTABLEtable_nameADDCOLUMNnew_columnVARCHAR(255)AFTERexisting_column, delete fields using ALTERTABLEtable_nameDROPCOLUMNcolumn_to_drop. When adding fields, you need to specify a location to optimize query performance and data structure; before deleting fields, you need to confirm that the operation is irreversible; modifying table structure using online DDL, backup data, test environment, and low-load time periods is performance optimization and best practice.
How to uninstall MySQL and clean residual files
Apr 29, 2025 pm 04:03 PM
To safely and thoroughly uninstall MySQL and clean all residual files, follow the following steps: 1. Stop MySQL service; 2. Uninstall MySQL packages; 3. Clean configuration files and data directories; 4. Verify that the uninstallation is thorough.
An efficient way to batch insert data in MySQL
Apr 29, 2025 pm 04:18 PM
Efficient methods for batch inserting data in MySQL include: 1. Using INSERTINTO...VALUES syntax, 2. Using LOADDATAINFILE command, 3. Using transaction processing, 4. Adjust batch size, 5. Disable indexing, 6. Using INSERTIGNORE or INSERT...ONDUPLICATEKEYUPDATE, these methods can significantly improve database operation efficiency.
How to use MySQL functions for data processing and calculation
Apr 29, 2025 pm 04:21 PM
MySQL functions can be used for data processing and calculation. 1. Basic usage includes string processing, date calculation and mathematical operations. 2. Advanced usage involves combining multiple functions to implement complex operations. 3. Performance optimization requires avoiding the use of functions in the WHERE clause and using GROUPBY and temporary tables.
Composer: The Package Manager for PHP Developers
May 02, 2025 am 12:23 AM
Composer is a dependency management tool for PHP, and manages project dependencies through composer.json file. 1) parse composer.json to obtain dependency information; 2) parse dependencies to form a dependency tree; 3) download and install dependencies from Packagist to the vendor directory; 4) generate composer.lock file to lock the dependency version to ensure team consistency and project maintainability.
Detailed explanation of the installation steps of MySQL on macOS system
Apr 29, 2025 pm 03:36 PM
Installing MySQL on macOS can be achieved through the following steps: 1. Install Homebrew, using the command /bin/bash-c"$(curl-fsSLhttps://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)". 2. Update Homebrew and use brewupdate. 3. Install MySQL and use brewinstallmysql. 4. Start MySQL service and use brewservicesstartmysql. After installation, you can use mysql-u
