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Reassuring to see big new features like this coming out after the Microsoft acquisition, a healthy sign that this open source product continues to see serious ongoing investment.



Technically, Citus product is open core, not open source. Though open sourcing shard rebalancer is a recent welcome step.


well because they are the only cloud vendor with a HA master-master postgresql database (citusdb managed) it probably is also a selling point.


Where are you seeing this multi-master feature? As far as I can tell, it uses standby nodes, not multiple active coordinators.


Wait... they have 2 read/write masters? And you can read/write from either master at the same time?


No, it creates a standby (of every node) when HA is enabled.

https://docs.microsoft.com/en-us/azure/postgresql/howto-hype...


yes but its more like vitess. which is basically more like sharded masters, but most of the time this works way better than something like galera or bdr.




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