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Difference between Primary-Replica and Read-Replica
Tan Chin Siang
Jul 22, 2024
In the context I saw that the write operations are all handled by primary. Therefore, what is the additional difference between them? Or are they the same method actually..
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Rakesh Reddya year ago
yeah same doubt
LeafarBlu BR10 months ago
I think the main difference can be related to the failover support, for example, when the primary goes down.
In the Primary-replica, the replica could assume the role of master/primary.
In the Read-replica, the replica could not assume the role of master/primary.
Design Gurus4 months ago
We have added a few more details to the lesson to explain this:
Difference between Single-leader and Read-replica
Single-leader
- You can optionally direct reads to replicas, but it isn’t the primary goal.
- Often used for failover, backups, or analytics ...
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