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# Orchestrator 1.0.5: refactoring masters, multi-master replication

MySQL Open Source orchestrator Replication August 6, 2014

Outbrain’s orchestrator Version 1.0.5 is released.

> Quick links: Orchestrator Manual, FAQ, Downloads

Orchestrator now supports refactoring of masters via master-master topologies. It now allows promoting slaves as co-masters and detachment of instances from a co-master topology, effectively allowing for replacing an active master.

#### Like this

Drag a master:

Onto one of its slaves:

Making both co-masters:

You now have a multi-master topology. You may move slaves around between the masters. Or, if you like, detach the newly promoted co-master from its original master:

Now it becomes the single master:

Refactor as you will:

Orchestrator is released as open source under the Apache 2.0 license and is available at: https://github.com/outbrain/orchestrator

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