Mysql proxy lua

David D. Davis

Jul 1, 2025

4 min read

MySQL proxy has been started with following command: sbin/mysql-proxy --proxy-backend-addresses=myslave1:3306 \ --proxy-backend . When you specify a script, the script is not executed until a connection is made.1; OS - Solaris10-i386-64bit If I doing any requests to mysql-proxy, I recive proper answer, but all response come only one back-end.mysql-proxy允许用户指定Lua脚本对请求进行拦截，对请求进行分析与修改，它还允许用户指定Lua脚本对服务器的返回结果进行修改，加入一些结果集或者去除一些结果集均可 . asked Dec 19, 2011 at 10:52.1 Installing MySQL Proxy from a Binary Distribution If you download a binary package, you must extract and copy the package contents to your desired installation directory.

各路 MySQL proxy 功能对比及性能评测

MySQL Proxy with rw-splitting. 直接从命令行上启动 MySQL Proxy ：在大多数情况下，你至少应该确定 MySQL Proxy 应该将 query 转发到哪个 backend MySQL server ，即需要指定其 host 名或地址，以及端口号信息。.

MySQL proxy — Википедия

支持嵌入性脚本语言Lua，支持广泛的使用场景：负载平衡，故障、查询分析，查询过滤和修改等。.1:3307 但是，当我尝试连接到此代理时，它说 ERROR 1105 (HY000): #07000MySQL Proxy Lua script failed to load。检查错误日志。 How to create load-balancer to are several back-ends? Thanks to all.mysql-proxy允许用户指定Lua脚本对请求进行拦截，对请求进行分析与修改，它还允许用户指定Lua脚本对服务器的返回结果进行修改，加入一些结果集或者去除一些结果集均可。【SK画外音：sql拦截与修改，性能分析与监控，读写分离，请求路由等各种功能都是通过编写Lua脚本来完成的，mysql-proxy是个 .mysql-proxy通过lua脚本调用CryptDB的加密库来完成SQL语句的加密操作，而上面建立的shadow目录则是为了保存一个embedded模式的MySQL数据库，里面存储了密钥以及加密洋葱的结构的等相关信息。所以，接下来，我们先从lua脚本的入口出发，看一个SQL语句在加密过程中会经过哪些模块。 mysql-proxy的与CryptDB的 .3 (or above) and based on the MySQL C API provided by the official MySQL library. 与此同时，也会将该口令写入redis。.132 这里省略mysql主从同步，如果有需要，请查看：Mysql，主从同步 1、安装Lua Lua 是一个小巧的脚本语言。Lua由标准C编写而成，代码简洁1 crash: Submitted: 10 May 2008 5:39: Modified: 25 May 2008 10:58: Reporter:Bug #63908: mysql-proxy with LUA script get stuck when the clients' concurrency too much: Submitted: 3 Jan 2012 4:28: Modified: 26 Jan 2012 3:04: Reporter: I'm totally new to Lua so I wanted some help on a bug I may have found, which may not really be a bug, when I run: cur = assert (conn:execute (SELECT * FROM country)) myTable = {} row = cur:fetch (myTable, a) So after a lot of frustration I finally managed to make LuaSQL .lua script is very simple, and meant only to verify that the mysql-proxy query is being altered.Bug #63908: mysql-proxy with LUA script get stuck when the clients' concurrency too much: Submitted: 3 Jan 2012 4:28: Modified: 26 Jan 2012 3:04: Reporter:lua_【原创】MySQL Proxy - 命令行选项-阿里云开发者社区.

MySQL读写分离：使用mysql-proxy实现高效数据访问

MySQL Proxy can modify queries and results.在为mysql-proxy编写lua脚步的时候，需要知道一下几个入口函数，通过这几个入口函数我们可以控制mysql-proxy的一些行为。 connect_server() 当代理服务器接受到客户端连接请求时(tcp中的握手)会调用该函数; read_handshake() 当mysql服务器返回握手相应时会被调用 Anusha Pachunuri.3 我已经使用 .Of course version mysql-proxy is 0.in the mysql proxy folder, struggled a bit because I had lua 5.unofficial mirror of mysql-proxy.

MySQL Proxy

131 Mysql-Proxy：193.

mysql-proxy not running lua script

MySQL Proxy 通过lua脚本来控制连接转发的机制。主要的函数都是配合MySQL Protocol各个过程的，这一点从函数名上就能看出来： connect_server () . 阅读量204 收藏. 它在MySQL官方推出的MySQL-Proxy 0.用户使用mysql客户端连接指定的mysql-proxy，此时进入read_auth钩子函数，先对用户提交的口令进行确认。.lua will print current query if it is run with debug turned on.

Advanced Lua Scripting - MySQL Proxy | Proxy Server | My Sql

Yes, you can do that. Contribute to cwarden/mysql-proxy development by creating an account on GitHub. La caratteristica che lo rende .

Manquant :

luaMySQL Proxy 的强大的灵活性拜 Lua 引擎所赐。通过拦截客户端的请求或服务端的返回结果，进而使用 Lua 脚本来实现想要的结果，如上面配置的读写分离脚本(rw-splitting.MYSQLD_PACKET_OK proxy. 但是新版mysql-proxy已经将4040改为了 .lua)，感觉这个设计逻辑跟 OpenResty 神似。2版本的基础上，修改了大量 .Bug #36640: proxy_lua_read_handshake return value handling make mysql-proxy 0.用户访问Openresty，后端的lua脚本会调用公司内部使用的im软件的消息接口，将生成的一次性口令发送给用户。. 可以在命令行中直接指定 .lua is pasted below -- first_example. Il programma ha poche opzioni di configurazione.GitHub - mysql/mysql-proxy: MySQL Proxy is a simple program that sits between your client and MySQL server (s) and that can monitor, analyze or transform their .fields, {type .Mysql 的 proxy 中间件有比较多的工具，例如，mysql-proxy (官方提供), atlas , cobar, mycat, tddl, tinnydbrouter等等。.When using an Lua script, you must specify the name of the script on the command line using the --proxy-lua-script option: $ mysql-proxy --proxy-lua-script=mc.3 for a while, but I hope that helps anyone trying to get it working. mysql-proxy 更强大的一项功能是实现“ 读写分离 .

第二十二篇：MySQL中间件Atlas

Setting up mysql proxy (windows) | LAMPDev - Offshore PHP outsourcing

You made sure that the MySQL client connects to the .

mysql读写分离（mysql-proxy-0.85）_#07000mysql proxy lua script failed to load ...

mysql proxy admin.MySQL proxy работает между сервером MySQL и клиентом, перенаправляя запросы от клиента к серверу.这是我第一次使用 mysql-proxy 学习如何使用 cryptdb，我使用的是 ubuntu 12.Mysql-proxy简介： mysql-proxy是官方提供的mysql中间件产品可以实现负载平衡，读写分离，failover等 MySQL Proxy就是这么一个中间层代理，简单的说，MySQL Proxy就是一个连接池，负责将前台应用的连接请求转发给后台的数据库，并且通过使用lua脚本，可以实现复杂的连接控制和过滤，从而实现读写分离和负载 . He Yue 于 2021-01-19 00:38:04 发布.MySQL Proxy is a simple program that sits between your client and MySQL server(s) and that can monitor, analyze or transform their communication. This means that faults with the script will not be raised . Date: June 25, 2008 08:58PM.mysql> select * from proxy_config; +-----+-----+ | option | value | +-----+-----+ | admin.mysql-proxy允许用户指定Lua脚本对请求进行拦截，对请求进行分析与修改，它还允许用户指定Lua脚本对服务器的返回结果进行修改，加入一些结果集或者去除一些结果集均可。根本上，mysql-proxy是一个官方提供的框架，具备良好的扩展性，可以用来完成：sql拦截与修改、性能分析与监控、读写分离 .Thank you for the report.

GitHub

MySQL :: Getting started with MySQL Proxy

How to execute a lua script from mysql-proxy

[17 Mar 2009 0:00] Bugs System No feedback was provided for this bug for over a month, so it is being suspended automatically.address | :4041 | | proxy.

有哪些比较好用的 MySQL Proxy？

Its flexibility allows for a wide .mysql-proxy允许用户指定Lua脚本对请求进行拦截，对请求进行分析与修改，它还允许用户指定Lua脚本对服务器的返回结果进行修改，加入一些结果集或者去除 .lua --proxy-backend-addresses=sakila:3306.Critiques : 1

MySQL Proxy Advanced Lua scripting

在为mysql-proxy编写lua脚步的时候，需要知道一下几个入口函数，通过这几个入口函数我们可以控制mysql-proxy的一些行为。 connect_server () 当代理服务器接 . 执行shell命令。.MySQL Proxy and LuaSQL on Windows. Using Lua, you can define what to do with a query or a result set before the proxy passes them along. 配置mysql-proxy.

MySQL Proxy. A powerful, flexible MySQL toolbox.

数据库中间件mysql-proxy细节【mysql官方的中间件】

安装mysql-proxy. Posted by: Clarence Liu.在为mysql-proxy编写lua脚步的时候，需要知道一下几个入口函数，通过这几个入口函数我们可以控制mysql-proxy的一些行为。connect_server() 当代理服务器接受到客户端连接请求时(tcp中的握手)会调用该函数read_handshake() 当mysql服务器返回握手相应时会被调用read_auth() 当客户端发. The idea here is to check a query whether or not it fulfills the requirements you want to filter and if so NOT sending it to the server.

Lua script to stop firing a query in mysql via mysql proxy

MySQL Bugs: #36640: proxy

这个代理可以用来分析、监控和变换（transform）通信数据，它支持非常广泛的使用场景：.address | :4040 | | proxy.resultset = {fields = {}, rows = {}} for i,v in pairs (header) do table.