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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2021/04/08 10:00:14 UTC
[GitHub] [ozone] elek commented on pull request #2096: HDDS-5047. Refactor Pipeline to use ReplicationConfig instead of factor/type
elek commented on pull request #2096:
URL: https://github.com/apache/ozone/pull/2096#issuecomment-815628999
> How does a new client can still work with old server?
Good question. The trick here is that we don't do any protobuf modifications. We serialize the protobuf content to a new Java object structure which makes it possible to handle additional parameters (for example: EC can handle more properties instead of just the one `replicationFactor`).
This patch modifies the SCM to use `replicationConfig` everywhere, but the logic is the same as before. With this approach on the EC branch we can add a new replicationConfig implementation and all the pipeline managers will serve it.
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