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Posted to issues@ozone.apache.org by "Stephen O'Donnell (Jira)" <ji...@apache.org> on 2021/06/02 16:40:00 UTC

[jira] [Created] (HDDS-5292) Introduce WritableContainerInterface to SCM

Stephen O'Donnell created HDDS-5292:
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             Summary: Introduce WritableContainerInterface to SCM
                 Key: HDDS-5292
                 URL: https://issues.apache.org/jira/browse/HDDS-5292
             Project: Apache Ozone
          Issue Type: Improvement
          Components: SCM
            Reporter: Stephen O'Donnell
            Assignee: Stephen O'Donnell


When implementing EC, we need to allocate blocks to containers on EC pipelines as well as Ratis pipelines (the current code path). The class `BlockManager.allocateBlock(...)` currently does this work.

To allow EC implementation to progress more smoothly, I would like to have BlockManager user a new interface to obtain a container for a block, namely the WritableContainerProvider interface.

This change is just a refactor to add the interface. Existing functionality is unchanged.



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