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MySQL replication recovery

MySQL replication can stop if slave fails to execute SQL statement from the binary log. From that moment, slave prints last error and waits for replication recovery. If master has consistent snapshot,...

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How to add a new MySQL slave

This post explains how to add a new slave to the existing MySQL replication. New slave server can be added to the MySQL replication without stopping master or shutting down existing slave server. You...

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MySQL query logging

Small tip of how to log all queries done by the MySQL server. It is very useful if you want to preview SQL requests from WordPress, Joomla or any other system or client. After logging is enabled,...

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MySQL replication - master migration

This cookbook explains how to move MySQL master server to another host. Scenario in short goes: dump out master databases, import data on the new master server and point slave to the new master server....

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Fixing MySQL replication after slaves's relay log was corrupted

MySQL replication on slave (version 5.1.61) has stopped. Slave_IO_Running was marked as Yes, but Slave_SQL_Running as No. Simple stop/start slave didn't help so further problem analysis was needed. It...

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MySQL master full disk and replication problem

After /var partition on master MySQL server was full, replication has stopped working. Master server wasn't able to write new changes to the binlog file. Recovery procedure seems simple, clean /var...

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