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.

• Splits reads and writes
• Support hash,range and date sharding across multiple nodes
• Client's ip ACL control.
• Transaction in single node.
• Support limitting 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 loading banlance between slaves.
• Support reading master database forcely.
• 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.
• MySQL HA.
• Support set the charset of proxy.
• Support SQL blacklist.
• Support dynamically changing the config value of kingshard.

  1. Install Go
  2. git clone https://github.com/flike/kingshard.git src/github.com/flike/kingshard
  3. cd src/github.com/flike/kingshard
  4. source ./dev.sh
  5. make
  6. set the config file (etc/multi.yaml)
  7. run kingshard (./bin/kingshard -config=etc/multi.yaml)

1.How to use kingshard building a MySQL cluster

https://github.com/flike/kingshard/blob/master/doc/KingDoc/support.md

kingshard is under the Apache 2.0 license. See the LICENSE directory for details.