Paul Rogers created DRILL-6267:
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Summary: Revise DoY DfsFacade class to use DrillFileSystem
Key: DRILL-6267
URL: https://issues.apache.org/jira/browse/DRILL-6267
Project: Apache Drill
Issue Type: Improvement
Affects Versions: 1.13.0
Reporter: Paul Rogers
Fix For: 1.14.0
The Drill-on-YARN (DoY) client code has a class called {{DfsFacade}} which
abstracts away some of the YARN-related aspects of HDFS. It primarily focus on
the mind-numbing details of localizing files in YARN.
Rather than this being a stand-alone class, it should use the
{{DrillFileSystem}} class in its implementation. (Don't extend
{{DrillFileSystem}}, doing so will widen the API and confuse the fact that this
particular class is only for YARN localization.) Use {{DrillFileSystem}} for
the basic operations rather than calling HDFS directly.
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