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Mysql has launched a new feature that a single slave server has multiple master server in which replication can be handled with the help of flag called channel for each separate master server.

I want to know:

What's the max number of master a slave can have ?
Or 
max number of channels a slave can have ?

Thanks

Aman Aggarwal
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1 Answers1

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in MySQL 5.7, the maximum number of channels that can be added to one slave in a multi-source replication topology is 256.

Source: https://dev.mysql.com/doc/refman/5.7/en/replication-channels.html

Tan Hong Tat
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