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I have development mysql master and slave servers and a prod server. I need to set up regular (once a week) syncronization of dev and prod databases. It would be easy for me to use prod# mysqldump > dump.sql and dev-master# mysql < dump.sql as it won't break replication, but having a 170Gb base it is not very good idea. So the question is if there's a proper way to re-enable replication after re-writing database on master. Will it work if I just re-write database on both master and slave and hope no bin-log errors occure?

Upd: percona-server-server-5.6, InnoDB/Barracuda are used.

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  • Please add mysql in tag.
    – vijayp
    Commented Sep 19, 2014 at 12:56

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The solution I found for myself is: stop both master and slave remove logs replace ib* files and /var/lib/mysql/mybase/* with files from prod backup start mysql on master start mysql on slave with --skip-slave-start, then SLAVE RESET; SLAVE START;

Not sure if this is correct, but it works for now.

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