ccqlMySQL 并行客户端

ccql 是 Github 官方开发的一个 MySQL 客户端工具，可以并行支持多个 MySQL 服务器，相当于同时在多个 MySQL 服务器上执行命令。

用法

Usage of ccql:

  -C string

        Credentials file, expecting [client] scope, with 'user', 'password' fields. Overrides -u and -p

  -H string

    	Hosts file, hostname[:port] comma or space or newline delimited format. If not given, hosts read from stdin

  -Q string

    	Query/queries input file

  -d string

      Default schema to use (default "information_schema")

  -h string

    	Comma or space delimited list of hosts in hostname[:port] format. If not given, hosts read from stdin

  -m uint

    	Max concurrent connections (default 32)

  -p string

    	MySQL password

  -q string

    	Query/queries to execute

  -s string

      List of databases to query from; overrides -d, prints schema name to output

  -t float

    	Connect timeout seconds

  -u string

    	MySQL username (default OS user)