#Replication articles and events

MySQL replication has been around forever, and yet… people still manage to set it up in ways that break at the worst possible moment. Even in 2025, you can get burned by tiny schema differences, missi...

So cloning is a great subject. I mean we clone sheep, we can clone human organs in time we might be able to clone humans, but thats a topic for scientist and philosophers....

Replication Lag is just a fact of life with async-replication. We can’t stop lag, but we can help to reduce it. Many times the Seconds_Behind_Source can be very deciving, I have seen it go from 1 hour...

Part 1 What is a GTID? Oracle/MySQL define a GTID as "A global transaction identifier (GTID) is a unique identifier created and associated with each transaction committed on the server of origin (the ...

MongoDB® is database software that stores data in the same format as JSON. The data structure of the database can be changed when required. The performance of the database is good and developers can e...

The goal of this tutorial is to show you how to use multi-master to aggregate databases with the same name, but different data from different masters, on the same slave....

MongoDB ships powerful features in each release. The new release brings new features while revisions add bug fixes, security patches or improvements to existing features. To bring most out these relea...

I was recently asked a question by mail about MySQL Lossless Semi-Synchronous Replication. As I think the answer could benefit many people, I am answering it in a blog post. The answer brings us to th...