184.108.40.206 Replication Channel Naming Conventions
This section describes how naming conventions are impacted by replication channels.
Each replication channel has a unique name which is a string with a maximum length of 64 characters and is case-insensitive. Because channel names are used in replication metadata repositories, the character set used for these is always UTF-8. Although you are generally free to use any name for channels, the following names are reserved:
The name you choose for a replication channel also influences the file names used by a multi-source replica. The relay log files and index files for each channel are named
relay_log_basename is a base name specified using the
relay_log system variable, and
channel is the name of the channel logged to this file. If you do not specify the
relay_log system variable, a default file name is used that also includes the name of the channel.