Steve Loughran created HADOOP-13427:
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Summary: Eliminate needless uses of FileSystem.exists, iisFile,
isDirectory
Key: HADOOP-13427
URL: https://issues.apache.org/jira/browse/HADOOP-13427
Project: Hadoop Common
Issue Type: Improvement
Components: fs
Affects Versions: 2.8.0
Reporter: Steve Loughran
We're cleaning up Hive and Spark's use of FileSystem.exists, because it is
often the case we see code of exists+open, exists+delete, when the exists probe
is needless. Against object stores, expensive needless.
Hadoop can set an example here by stripping them out. It will also show where
there are opportunities to optimise things better and/or improve reporting.
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