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Posted to dev@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/11/14 09:19:53 UTC

[GitHub] [pulsar] codelipenghui added a comment to the discussion: Active-active and no data loss. Is it possible?

GitHub user codelipenghui added a comment to the discussion: Active-active and no data loss. Is it possible?

> We are thinking of geo replication. But since geo replication is asynchronous, we are worried about message loss. Every single message cannot be lost.

The geo-replication is asynchronous, but it does not result in message loss. The replication state is stored in a cursor(ledger backend), even the broker crash, the replication state not lost. So the new broker can resume the replicate task.

GitHub link: https://github.com/apache/pulsar/discussions/18457#discussioncomment-4133536

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