fanshilun created YARN-11335:
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Summary: [Federation] Added JDOFederationStateStore for easy
database query.
Key: YARN-11335
URL: https://issues.apache.org/jira/browse/YARN-11335
Project: Hadoop YARN
Issue Type: New Feature
Components: federation, router
Affects Versions: 3.4.0
Reporter: fanshilun
Assignee: fanshilun
[Federation] Added JDOFederationStateStore for easy database query.
We currently have a solution like SQLFederationStateStore, but I think the
following places can be optimized:
1. We hope that the database can support Oracle and Postgres, but it is very
difficult to provide stored procedure scripts for each database.
It involves a lot of testing and multi-version verification. If possible, we
hope to provide table building statements.
2. I read the code and found that it is basically the operation of add, delete,
select and update a table.
This can be done for us using the ORM framework, such as DataNucleus.
I plan to provide JDOFederationStateStore which can easily replace
SQLFederationStateStore.
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