How XDCR Works in case of Node Failure

Couchbase Server
1

Hi Team,

We had CB cluster consists of three VM each running with (data,index and query) services. We had configure XDCR with target cluster with same number of VMs and same (data,index and query) services. While configuring XDCR in source cluster we need to add any one IP of the remote cluster. I had two questions on this.

  1. If the configured remote cluster node goes down, how it will impact XDCR replication between the two sites?

  2. How Couchbase handled this kind of situation in the background when only one node is configured, and it becomes unreachable?

Could you please help me to understand this scenario.

Thanks,
Debasis

2

If a node is down then replication to the node will be suspended until that node comes up again. If a rebalance moves the vbucket from the down to a different node, xdcr resumes to the different node.

3

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