Miklos Gergely created HIVE-20807:
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Summary: Refactor LlapStatusServiceDriver
Key: HIVE-20807
URL: https://issues.apache.org/jira/browse/HIVE-20807
Project: Hive
Issue Type: Improvement
Components: Hive
Affects Versions: 4.0.0
Reporter: Miklos Gergely
Assignee: Miklos Gergely
Fix For: 4.0.0
LlapStatusServiceDriver is the class used to determine if LLAP has started. The
following problems should be solved by refactoring:
1. The main class is more than 800 lines long,should be cut into multiple
smaller classes.
2. The current design makes it extremely hard to write unit tests.
3. There are some overcomplicated, over-engineered parts of the code.
4. Most of the code is under org.apache.hadoop.hive.llap.cli, but some parts
are under org.apache.hadoop.hive.llap.cli.status. The whole program could be
moved to the latter.
5. LlapStatusHelpers serves as a class for holding classes, which doesn't make
much sense.
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