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June 18, 2018 09:52
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Using mysqldump for backups on a slave. Note the use of --master-data=2, this makes sure we get a global read lock and write out a comment in the sql file with the master log filename and current position. Now this backup is good for adding or bringing back a slave from scratch.
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| mysqldump -u [user] -p -xQce -R --master-data=2 --max-allowed-packet=1024M -B [db_name] | gzip > [db_name].sql.gz |
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