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https://github.com/flike/kingshard
A high-performance MySQL proxy
https://github.com/flike/kingshard
kingshard mysql mysql-proxy
Last synced: 2 days ago
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A high-performance MySQL proxy
- Host: GitHub
- URL: https://github.com/flike/kingshard
- Owner: flike
- Created: 2015-07-04T02:22:32.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2024-05-17T23:46:28.000Z (7 months ago)
- Last Synced: 2024-12-03T03:06:05.278Z (9 days ago)
- Topics: kingshard, mysql, mysql-proxy
- Language: Go
- Homepage:
- Size: 5.06 MB
- Stars: 6,416
- Watchers: 390
- Forks: 1,232
- Open Issues: 161
-
Metadata Files:
- Readme: README.md
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README
# kingshard [中文主页](README_ZH.md)
[](https://travis-ci.org/flike/kingshard)
## Overview
kingshard is a high-performance proxy for MySQL powered by Go. Just like other mysql proxies, you can use it to split the read/write sqls. Now it supports basic SQL statements (select, insert, update, replace, delete). The most important feature is the sharding function. Kingshard aims to simplify the sharding solution of MySQL. **The Performance of kingshard is about 80% compared to connecting to MySQL directly.**
## Feature
### 1. Basic Function
- Splits reads and writes
- Client's ip ACL control.
- Transaction in single node.
- Support limiting the max count of connections to MySQL database.
- Support setting the backend database online or offline dynamically.
- Supports prepared statement: COM_STMT_PREPARE, COM_STMT_EXECUTE, etc.
- Support multi slaves, and load balancing between slaves.
- Support reading master database forcely.
- Support last_insert_id().
- Support MySQL backends HA.
- Support set the charset of proxy.
- Support SQL blacklist.
- Support dynamically changing the config value of kingshard.
### 2. Sharding Function
- Support hash,range and date sharding across multiple nodes.
- Support sending sql to the specified node.
- Support most commonly used functions, such as `max, min, count, sum`, and also support `join, limit, order by,group by`.
## Install
```
1. Install Go
2. git clone https://github.com/flike/kingshard.git $GOPATH/src/github.com/flike/kingshard
3. cd $GOPATH/src/github.com/flike/kingshard
4. source ./dev.sh
5. make
6. set the config file (etc/ks.yaml)
7. run kingshard (./bin/kingshard -config=etc/ks.yaml)
```
# Details of kingshard
[1.How to use kingshard building a MySQL cluster](./doc/KingDoc/how_to_use_kingshard_EN.md)
## License
kingshard is under the Apache 2.0 license. See the [LICENSE](./doc/License) directory for details.