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Hi. That's a great question. Below is the clarification :
- Currently, replication under OpenSearch works in active-passive model. The follower will not take any write traffic and is only open for search. Yes, once the leader cluster is back online, the writes have to be made on the leader(/active) cluster.
- Each cluster (leader and follower) will have separate endpoint and OpenSearch doesn't redirect the search traffic. Search traffic will continue on the configured search endpoint at the client.
- Inducing failure directly on the managed service nodes is not possible. Please follow the steps for the failover onto the follower cluster: Terminate the connection between follower and leader cluster (Connection APIs) Trigger stop on all the follower indices that were getting replication: https://opensearch.org/docs/latest/replication-plugin/get-started/#stop-replication Once replication is stopped on all the indices, the follower indices should be able to take write traffic.
Let us know, If you have any further questions.
已回答 2 年前
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Thanks for your help Varun.