[jira] [Assigned] (HDDS-10336) Consolidate ozone default replication config

["Saketa Chalamchala (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-10336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Saketa Chalamchala reassigned HDDS-10336:
-----------------------------------------

    Assignee: Saketa Chalamchala

> Consolidate ozone default replication config
> --------------------------------------------
>
>                 Key: HDDS-10336
>                 URL: https://issues.apache.org/jira/browse/HDDS-10336
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Duong
>            Assignee: Saketa Chalamchala
>            Priority: Major
>
> Today, Ozone default replication config is complex and confusing.
> Firstly, we have multiple fallbacks, including "ozone.replication" (together with "ozone.replication.type"), "ozone.server.default.replication" (together with "ozone.server.default.replication.type") and bucket-level config with no clear order.  And many different util classes/methods exist to parse and define an order.
> Secondly, there are different code paths between FS API and S3G. Each of them seems to impose a different order of fallbacks.
> Lastly, "ozone.replication" doesn't seem to allow setting EC as an option.
> We should:
> 1. Define a clear order of fallbacks and implement it in a single config parser class.
> 2. Use the config parser consistently in every code path.



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